Home / 14,752.62-20,373.02-12,615.76

Finding the Fourth Proportional to 14,752.62, 20,373.02 and 12,615.76

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Solution

The fourth proportional to 14,752.62, 20,373.02 and 12,615.76 is: 17,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.62 : 20,373.02 = 12,615.76 : x
  2. Step 2: Convert to fraction form
    14,752.62/20,373.02 = 12,615.76/x
  3. Step 3: Cross multiply
    14,752.62x = 20,373.02 × 12,615.76
  4. Step 4: Simplify right side
    14,752.62x = 257,021,130.80
  5. Step 5: Solve for x
    x = 257,021,130.80/14,752.62
  6. Step 6: Final answer
    x = 17,422.07

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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.