Home / 28,079.48-42,105.14-9,352.94

Finding the Fourth Proportional to 28,079.48, 42,105.14 and 9,352.94

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Solution

The fourth proportional to 28,079.48, 42,105.14 and 9,352.94 is: 14,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.48 : 42,105.14 = 9,352.94 : x
  2. Step 2: Convert to fraction form
    28,079.48/42,105.14 = 9,352.94/x
  3. Step 3: Cross multiply
    28,079.48x = 42,105.14 × 9,352.94
  4. Step 4: Simplify right side
    28,079.48x = 393,806,848.11
  5. Step 5: Solve for x
    x = 393,806,848.11/28,079.48
  6. Step 6: Final answer
    x = 14,024.72

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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.