Home / 13,126.87-18,113.47-8,024.95

Finding the Fourth Proportional to 13,126.87, 18,113.47 and 8,024.95

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Solution

The fourth proportional to 13,126.87, 18,113.47 and 8,024.95 is: 11,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.87 : 18,113.47 = 8,024.95 : x
  2. Step 2: Convert to fraction form
    13,126.87/18,113.47 = 8,024.95/x
  3. Step 3: Cross multiply
    13,126.87x = 18,113.47 × 8,024.95
  4. Step 4: Simplify right side
    13,126.87x = 145,359,693.66
  5. Step 5: Solve for x
    x = 145,359,693.66/13,126.87
  6. Step 6: Final answer
    x = 11,073.45

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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.