Home / 26,543.30-39,812.28-9,012.86

Finding the Fourth Proportional to 26,543.30, 39,812.28 and 9,012.86

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Solution

The fourth proportional to 26,543.30, 39,812.28 and 9,012.86 is: 13,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.30 : 39,812.28 = 9,012.86 : x
  2. Step 2: Convert to fraction form
    26,543.30/39,812.28 = 9,012.86/x
  3. Step 3: Cross multiply
    26,543.30x = 39,812.28 × 9,012.86
  4. Step 4: Simplify right side
    26,543.30x = 358,822,505.92
  5. Step 5: Solve for x
    x = 358,822,505.92/26,543.30
  6. Step 6: Final answer
    x = 13,518.38

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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.