Home / 25,531.38-38,291.16-9,738.18

Finding the Fourth Proportional to 25,531.38, 38,291.16 and 9,738.18

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Solution

The fourth proportional to 25,531.38, 38,291.16 and 9,738.18 is: 14,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.38 : 38,291.16 = 9,738.18 : x
  2. Step 2: Convert to fraction form
    25,531.38/38,291.16 = 9,738.18/x
  3. Step 3: Cross multiply
    25,531.38x = 38,291.16 × 9,738.18
  4. Step 4: Simplify right side
    25,531.38x = 372,886,208.49
  5. Step 5: Solve for x
    x = 372,886,208.49/25,531.38
  6. Step 6: Final answer
    x = 14,605.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.