Home / 16,616.12-22,929.66-9,445.40

Finding the Fourth Proportional to 16,616.12, 22,929.66 and 9,445.40

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Solution

The fourth proportional to 16,616.12, 22,929.66 and 9,445.40 is: 13,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.12 : 22,929.66 = 9,445.40 : x
  2. Step 2: Convert to fraction form
    16,616.12/22,929.66 = 9,445.40/x
  3. Step 3: Cross multiply
    16,616.12x = 22,929.66 × 9,445.40
  4. Step 4: Simplify right side
    16,616.12x = 216,579,810.56
  5. Step 5: Solve for x
    x = 216,579,810.56/16,616.12
  6. Step 6: Final answer
    x = 13,034.32

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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.