Home / 16,605.74-22,904.19-9,886.16

Finding the Fourth Proportional to 16,605.74, 22,904.19 and 9,886.16

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Solution

The fourth proportional to 16,605.74, 22,904.19 and 9,886.16 is: 13,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.74 : 22,904.19 = 9,886.16 : x
  2. Step 2: Convert to fraction form
    16,605.74/22,904.19 = 9,886.16/x
  3. Step 3: Cross multiply
    16,605.74x = 22,904.19 × 9,886.16
  4. Step 4: Simplify right side
    16,605.74x = 226,434,372.49
  5. Step 5: Solve for x
    x = 226,434,372.49/16,605.74
  6. Step 6: Final answer
    x = 13,635.91

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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.