Home / 28,348.74-42,520.23-9,373.86

Finding the Fourth Proportional to 28,348.74, 42,520.23 and 9,373.86

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Solution

The fourth proportional to 28,348.74, 42,520.23 and 9,373.86 is: 14,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.74 : 42,520.23 = 9,373.86 : x
  2. Step 2: Convert to fraction form
    28,348.74/42,520.23 = 9,373.86/x
  3. Step 3: Cross multiply
    28,348.74x = 42,520.23 × 9,373.86
  4. Step 4: Simplify right side
    28,348.74x = 398,578,683.19
  5. Step 5: Solve for x
    x = 398,578,683.19/28,348.74
  6. Step 6: Final answer
    x = 14,059.84

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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.