Home / 28,281.99-42,423.14-9,562.15

Finding the Fourth Proportional to 28,281.99, 42,423.14 and 9,562.15

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Solution

The fourth proportional to 28,281.99, 42,423.14 and 9,562.15 is: 14,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.99 : 42,423.14 = 9,562.15 : x
  2. Step 2: Convert to fraction form
    28,281.99/42,423.14 = 9,562.15/x
  3. Step 3: Cross multiply
    28,281.99x = 42,423.14 × 9,562.15
  4. Step 4: Simplify right side
    28,281.99x = 405,656,505.09
  5. Step 5: Solve for x
    x = 405,656,505.09/28,281.99
  6. Step 6: Final answer
    x = 14,343.28

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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.