Home / 15,875.50-23,760.18-15,665.70

Finding the Fourth Proportional to 15,875.50, 23,760.18 and 15,665.70

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Solution

The fourth proportional to 15,875.50, 23,760.18 and 15,665.70 is: 23,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.50 : 23,760.18 = 15,665.70 : x
  2. Step 2: Convert to fraction form
    15,875.50/23,760.18 = 15,665.70/x
  3. Step 3: Cross multiply
    15,875.50x = 23,760.18 × 15,665.70
  4. Step 4: Simplify right side
    15,875.50x = 372,219,851.83
  5. Step 5: Solve for x
    x = 372,219,851.83/15,875.50
  6. Step 6: Final answer
    x = 23,446.18

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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.