Home / 15,966.05-23,931.15-5,426.22

Finding the Fourth Proportional to 15,966.05, 23,931.15 and 5,426.22

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Solution

The fourth proportional to 15,966.05, 23,931.15 and 5,426.22 is: 8,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.05 : 23,931.15 = 5,426.22 : x
  2. Step 2: Convert to fraction form
    15,966.05/23,931.15 = 5,426.22/x
  3. Step 3: Cross multiply
    15,966.05x = 23,931.15 × 5,426.22
  4. Step 4: Simplify right side
    15,966.05x = 129,855,754.15
  5. Step 5: Solve for x
    x = 129,855,754.15/15,966.05
  6. Step 6: Final answer
    x = 8,133.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.