Home / 15,468.06-21,344.51-8,752.61

Finding the Fourth Proportional to 15,468.06, 21,344.51 and 8,752.61

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Solution

The fourth proportional to 15,468.06, 21,344.51 and 8,752.61 is: 12,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.06 : 21,344.51 = 8,752.61 : x
  2. Step 2: Convert to fraction form
    15,468.06/21,344.51 = 8,752.61/x
  3. Step 3: Cross multiply
    15,468.06x = 21,344.51 × 8,752.61
  4. Step 4: Simplify right side
    15,468.06x = 186,820,171.67
  5. Step 5: Solve for x
    x = 186,820,171.67/15,468.06
  6. Step 6: Final answer
    x = 12,077.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.