Home / 14,169.48-19,552.90-7,881.16

Finding the Fourth Proportional to 14,169.48, 19,552.90 and 7,881.16

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Solution

The fourth proportional to 14,169.48, 19,552.90 and 7,881.16 is: 10,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.48 : 19,552.90 = 7,881.16 : x
  2. Step 2: Convert to fraction form
    14,169.48/19,552.90 = 7,881.16/x
  3. Step 3: Cross multiply
    14,169.48x = 19,552.90 × 7,881.16
  4. Step 4: Simplify right side
    14,169.48x = 154,099,533.36
  5. Step 5: Solve for x
    x = 154,099,533.36/14,169.48
  6. Step 6: Final answer
    x = 10,875.45

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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.