Home / 17,139.74-23,652.15-9,585.95

Finding the Fourth Proportional to 17,139.74, 23,652.15 and 9,585.95

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Solution

The fourth proportional to 17,139.74, 23,652.15 and 9,585.95 is: 13,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.74 : 23,652.15 = 9,585.95 : x
  2. Step 2: Convert to fraction form
    17,139.74/23,652.15 = 9,585.95/x
  3. Step 3: Cross multiply
    17,139.74x = 23,652.15 × 9,585.95
  4. Step 4: Simplify right side
    17,139.74x = 226,728,327.29
  5. Step 5: Solve for x
    x = 226,728,327.29/17,139.74
  6. Step 6: Final answer
    x = 13,228.22

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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.