Home / 14,753.88-20,360.10-8,039.57

Finding the Fourth Proportional to 14,753.88, 20,360.10 and 8,039.57

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Solution

The fourth proportional to 14,753.88, 20,360.10 and 8,039.57 is: 11,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.88 : 20,360.10 = 8,039.57 : x
  2. Step 2: Convert to fraction form
    14,753.88/20,360.10 = 8,039.57/x
  3. Step 3: Cross multiply
    14,753.88x = 20,360.10 × 8,039.57
  4. Step 4: Simplify right side
    14,753.88x = 163,686,449.16
  5. Step 5: Solve for x
    x = 163,686,449.16/14,753.88
  6. Step 6: Final answer
    x = 11,094.47

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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.