Home / 15,875.79-23,805.18-5,342.31

Finding the Fourth Proportional to 15,875.79, 23,805.18 and 5,342.31

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Solution

The fourth proportional to 15,875.79, 23,805.18 and 5,342.31 is: 8,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.79 : 23,805.18 = 5,342.31 : x
  2. Step 2: Convert to fraction form
    15,875.79/23,805.18 = 5,342.31/x
  3. Step 3: Cross multiply
    15,875.79x = 23,805.18 × 5,342.31
  4. Step 4: Simplify right side
    15,875.79x = 127,174,760.47
  5. Step 5: Solve for x
    x = 127,174,760.47/15,875.79
  6. Step 6: Final answer
    x = 8,010.61

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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.