Home / 25,129.95-34,671.56-14,515.71

Finding the Fourth Proportional to 25,129.95, 34,671.56 and 14,515.71

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Solution

The fourth proportional to 25,129.95, 34,671.56 and 14,515.71 is: 20,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.95 : 34,671.56 = 14,515.71 : x
  2. Step 2: Convert to fraction form
    25,129.95/34,671.56 = 14,515.71/x
  3. Step 3: Cross multiply
    25,129.95x = 34,671.56 × 14,515.71
  4. Step 4: Simplify right side
    25,129.95x = 503,282,237.63
  5. Step 5: Solve for x
    x = 503,282,237.63/25,129.95
  6. Step 6: Final answer
    x = 20,027.19

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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.