Home / 16,521.86-22,810.49-11,356.63

Finding the Fourth Proportional to 16,521.86, 22,810.49 and 11,356.63

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Solution

The fourth proportional to 16,521.86, 22,810.49 and 11,356.63 is: 15,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.86 : 22,810.49 = 11,356.63 : x
  2. Step 2: Convert to fraction form
    16,521.86/22,810.49 = 11,356.63/x
  3. Step 3: Cross multiply
    16,521.86x = 22,810.49 × 11,356.63
  4. Step 4: Simplify right side
    16,521.86x = 259,050,238.02
  5. Step 5: Solve for x
    x = 259,050,238.02/16,521.86
  6. Step 6: Final answer
    x = 15,679.24

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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.