Home / 42,423.92-63,635.90-10,836.35

Finding the Fourth Proportional to 42,423.92, 63,635.90 and 10,836.35

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Solution

The fourth proportional to 42,423.92, 63,635.90 and 10,836.35 is: 16,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,423.92 : 63,635.90 = 10,836.35 : x
  2. Step 2: Convert to fraction form
    42,423.92/63,635.90 = 10,836.35/x
  3. Step 3: Cross multiply
    42,423.92x = 63,635.90 × 10,836.35
  4. Step 4: Simplify right side
    42,423.92x = 689,580,512.60
  5. Step 5: Solve for x
    x = 689,580,512.60/42,423.92
  6. Step 6: Final answer
    x = 16,254.52

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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.