Home / 22,265.81-30,727.03-15,192.08

Finding the Fourth Proportional to 22,265.81, 30,727.03 and 15,192.08

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Solution

The fourth proportional to 22,265.81, 30,727.03 and 15,192.08 is: 20,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.81 : 30,727.03 = 15,192.08 : x
  2. Step 2: Convert to fraction form
    22,265.81/30,727.03 = 15,192.08/x
  3. Step 3: Cross multiply
    22,265.81x = 30,727.03 × 15,192.08
  4. Step 4: Simplify right side
    22,265.81x = 466,807,536.76
  5. Step 5: Solve for x
    x = 466,807,536.76/22,265.81
  6. Step 6: Final answer
    x = 20,965.21

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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.