Home / 28,051.02-38,693.19-19,102.53

Finding the Fourth Proportional to 28,051.02, 38,693.19 and 19,102.53

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Solution

The fourth proportional to 28,051.02, 38,693.19 and 19,102.53 is: 26,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.02 : 38,693.19 = 19,102.53 : x
  2. Step 2: Convert to fraction form
    28,051.02/38,693.19 = 19,102.53/x
  3. Step 3: Cross multiply
    28,051.02x = 38,693.19 × 19,102.53
  4. Step 4: Simplify right side
    28,051.02x = 739,137,822.77
  5. Step 5: Solve for x
    x = 739,137,822.77/28,051.02
  6. Step 6: Final answer
    x = 26,349.77

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.