Home / 25,188.66-34,746.84-15,622.56

Finding the Fourth Proportional to 25,188.66, 34,746.84 and 15,622.56

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Solution

The fourth proportional to 25,188.66, 34,746.84 and 15,622.56 is: 21,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.66 : 34,746.84 = 15,622.56 : x
  2. Step 2: Convert to fraction form
    25,188.66/34,746.84 = 15,622.56/x
  3. Step 3: Cross multiply
    25,188.66x = 34,746.84 × 15,622.56
  4. Step 4: Simplify right side
    25,188.66x = 542,834,592.71
  5. Step 5: Solve for x
    x = 542,834,592.71/25,188.66
  6. Step 6: Final answer
    x = 21,550.75

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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.