Home / 22,025.28-30,392.88-13,071.24

Finding the Fourth Proportional to 22,025.28, 30,392.88 and 13,071.24

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Solution

The fourth proportional to 22,025.28, 30,392.88 and 13,071.24 is: 18,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.28 : 30,392.88 = 13,071.24 : x
  2. Step 2: Convert to fraction form
    22,025.28/30,392.88 = 13,071.24/x
  3. Step 3: Cross multiply
    22,025.28x = 30,392.88 × 13,071.24
  4. Step 4: Simplify right side
    22,025.28x = 397,272,628.77
  5. Step 5: Solve for x
    x = 397,272,628.77/22,025.28
  6. Step 6: Final answer
    x = 18,037.12

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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.