Home / 25,023.31-34,531.63-13,692.76

Finding the Fourth Proportional to 25,023.31, 34,531.63 and 13,692.76

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Solution

The fourth proportional to 25,023.31, 34,531.63 and 13,692.76 is: 18,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,023.31 : 34,531.63 = 13,692.76 : x
  2. Step 2: Convert to fraction form
    25,023.31/34,531.63 = 13,692.76/x
  3. Step 3: Cross multiply
    25,023.31x = 34,531.63 × 13,692.76
  4. Step 4: Simplify right side
    25,023.31x = 472,833,322.00
  5. Step 5: Solve for x
    x = 472,833,322.00/25,023.31
  6. Step 6: Final answer
    x = 18,895.71

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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.