Home / 16,407.04-22,640.16-10,118.20

Finding the Fourth Proportional to 16,407.04, 22,640.16 and 10,118.20

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Solution

The fourth proportional to 16,407.04, 22,640.16 and 10,118.20 is: 13,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,407.04 : 22,640.16 = 10,118.20 : x
  2. Step 2: Convert to fraction form
    16,407.04/22,640.16 = 10,118.20/x
  3. Step 3: Cross multiply
    16,407.04x = 22,640.16 × 10,118.20
  4. Step 4: Simplify right side
    16,407.04x = 229,077,666.91
  5. Step 5: Solve for x
    x = 229,077,666.91/16,407.04
  6. Step 6: Final answer
    x = 13,962.16

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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.