Home / 15,488.16-23,224.32-5,625.12

Finding the Fourth Proportional to 15,488.16, 23,224.32 and 5,625.12

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Solution

The fourth proportional to 15,488.16, 23,224.32 and 5,625.12 is: 8,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488.16 : 23,224.32 = 5,625.12 : x
  2. Step 2: Convert to fraction form
    15,488.16/23,224.32 = 5,625.12/x
  3. Step 3: Cross multiply
    15,488.16x = 23,224.32 × 5,625.12
  4. Step 4: Simplify right side
    15,488.16x = 130,639,586.92
  5. Step 5: Solve for x
    x = 130,639,586.92/15,488.16
  6. Step 6: Final answer
    x = 8,434.80

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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.