Home / 25,023.19-34,531.71-13,692.56

Finding the Fourth Proportional to 25,023.19, 34,531.71 and 13,692.56

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Solution

The fourth proportional to 25,023.19, 34,531.71 and 13,692.56 is: 18,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,023.19 : 34,531.71 = 13,692.56 : x
  2. Step 2: Convert to fraction form
    25,023.19/34,531.71 = 13,692.56/x
  3. Step 3: Cross multiply
    25,023.19x = 34,531.71 × 13,692.56
  4. Step 4: Simplify right side
    25,023.19x = 472,827,511.08
  5. Step 5: Solve for x
    x = 472,827,511.08/25,023.19
  6. Step 6: Final answer
    x = 18,895.57

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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.