Home / 16,490.20-22,758.06-9,417.16

Finding the Fourth Proportional to 16,490.20, 22,758.06 and 9,417.16

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Solution

The fourth proportional to 16,490.20, 22,758.06 and 9,417.16 is: 12,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.20 : 22,758.06 = 9,417.16 : x
  2. Step 2: Convert to fraction form
    16,490.20/22,758.06 = 9,417.16/x
  3. Step 3: Cross multiply
    16,490.20x = 22,758.06 × 9,417.16
  4. Step 4: Simplify right side
    16,490.20x = 214,316,292.31
  5. Step 5: Solve for x
    x = 214,316,292.31/16,490.20
  6. Step 6: Final answer
    x = 12,996.59

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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.