Home / 14,328.38-21,487.10-5,561.24

Finding the Fourth Proportional to 14,328.38, 21,487.10 and 5,561.24

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Solution

The fourth proportional to 14,328.38, 21,487.10 and 5,561.24 is: 8,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.38 : 21,487.10 = 5,561.24 : x
  2. Step 2: Convert to fraction form
    14,328.38/21,487.10 = 5,561.24/x
  3. Step 3: Cross multiply
    14,328.38x = 21,487.10 × 5,561.24
  4. Step 4: Simplify right side
    14,328.38x = 119,494,920.00
  5. Step 5: Solve for x
    x = 119,494,920.00/14,328.38
  6. Step 6: Final answer
    x = 8,339.74

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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.