Home / 25,261.50-34,856.76-15,187.53

Finding the Fourth Proportional to 25,261.50, 34,856.76 and 15,187.53

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Solution

The fourth proportional to 25,261.50, 34,856.76 and 15,187.53 is: 20,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.50 : 34,856.76 = 15,187.53 : x
  2. Step 2: Convert to fraction form
    25,261.50/34,856.76 = 15,187.53/x
  3. Step 3: Cross multiply
    25,261.50x = 34,856.76 × 15,187.53
  4. Step 4: Simplify right side
    25,261.50x = 529,388,088.20
  5. Step 5: Solve for x
    x = 529,388,088.20/25,261.50
  6. Step 6: Final answer
    x = 20,956.32

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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.