Home / 18,722.13-25,836.53-10,339.17

Finding the Fourth Proportional to 18,722.13, 25,836.53 and 10,339.17

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Solution

The fourth proportional to 18,722.13, 25,836.53 and 10,339.17 is: 14,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.13 : 25,836.53 = 10,339.17 : x
  2. Step 2: Convert to fraction form
    18,722.13/25,836.53 = 10,339.17/x
  3. Step 3: Cross multiply
    18,722.13x = 25,836.53 × 10,339.17
  4. Step 4: Simplify right side
    18,722.13x = 267,128,275.88
  5. Step 5: Solve for x
    x = 267,128,275.88/18,722.13
  6. Step 6: Final answer
    x = 14,268.05

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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.