Home / 15,432.42-23,143.83-5,570.41

Finding the Fourth Proportional to 15,432.42, 23,143.83 and 5,570.41

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Solution

The fourth proportional to 15,432.42, 23,143.83 and 5,570.41 is: 8,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.42 : 23,143.83 = 5,570.41 : x
  2. Step 2: Convert to fraction form
    15,432.42/23,143.83 = 5,570.41/x
  3. Step 3: Cross multiply
    15,432.42x = 23,143.83 × 5,570.41
  4. Step 4: Simplify right side
    15,432.42x = 128,920,622.07
  5. Step 5: Solve for x
    x = 128,920,622.07/15,432.42
  6. Step 6: Final answer
    x = 8,353.88

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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.