Home / 15,520.66-23,275.35-5,657.62

Finding the Fourth Proportional to 15,520.66, 23,275.35 and 5,657.62

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Solution

The fourth proportional to 15,520.66, 23,275.35 and 5,657.62 is: 8,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.66 : 23,275.35 = 5,657.62 : x
  2. Step 2: Convert to fraction form
    15,520.66/23,275.35 = 5,657.62/x
  3. Step 3: Cross multiply
    15,520.66x = 23,275.35 × 5,657.62
  4. Step 4: Simplify right side
    15,520.66x = 131,683,085.67
  5. Step 5: Solve for x
    x = 131,683,085.67/15,520.66
  6. Step 6: Final answer
    x = 8,484.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.