Home / 16,345.12-22,561.02-10,680.70

Finding the Fourth Proportional to 16,345.12, 22,561.02 and 10,680.70

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Solution

The fourth proportional to 16,345.12, 22,561.02 and 10,680.70 is: 14,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,345.12 : 22,561.02 = 10,680.70 : x
  2. Step 2: Convert to fraction form
    16,345.12/22,561.02 = 10,680.70/x
  3. Step 3: Cross multiply
    16,345.12x = 22,561.02 × 10,680.70
  4. Step 4: Simplify right side
    16,345.12x = 240,967,486.31
  5. Step 5: Solve for x
    x = 240,967,486.31/16,345.12
  6. Step 6: Final answer
    x = 14,742.47

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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.