Home / 20,342.52-30,432.33-17,598.69

Finding the Fourth Proportional to 20,342.52, 30,432.33 and 17,598.69

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Solution

The fourth proportional to 20,342.52, 30,432.33 and 17,598.69 is: 26,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.52 : 30,432.33 = 17,598.69 : x
  2. Step 2: Convert to fraction form
    20,342.52/30,432.33 = 17,598.69/x
  3. Step 3: Cross multiply
    20,342.52x = 30,432.33 × 17,598.69
  4. Step 4: Simplify right side
    20,342.52x = 535,569,141.65
  5. Step 5: Solve for x
    x = 535,569,141.65/20,342.52
  6. Step 6: Final answer
    x = 26,327.57

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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.