Home / 13,068.95-18,028.27-7,966.05

Finding the Fourth Proportional to 13,068.95, 18,028.27 and 7,966.05

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Solution

The fourth proportional to 13,068.95, 18,028.27 and 7,966.05 is: 10,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.95 : 18,028.27 = 7,966.05 : x
  2. Step 2: Convert to fraction form
    13,068.95/18,028.27 = 7,966.05/x
  3. Step 3: Cross multiply
    13,068.95x = 18,028.27 × 7,966.05
  4. Step 4: Simplify right side
    13,068.95x = 143,614,042.59
  5. Step 5: Solve for x
    x = 143,614,042.59/13,068.95
  6. Step 6: Final answer
    x = 10,988.95

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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.