Home / 22,332.81-30,812.76-15,961.35

Finding the Fourth Proportional to 22,332.81, 30,812.76 and 15,961.35

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Solution

The fourth proportional to 22,332.81, 30,812.76 and 15,961.35 is: 22,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.81 : 30,812.76 = 15,961.35 : x
  2. Step 2: Convert to fraction form
    22,332.81/30,812.76 = 15,961.35/x
  3. Step 3: Cross multiply
    22,332.81x = 30,812.76 × 15,961.35
  4. Step 4: Simplify right side
    22,332.81x = 491,813,246.83
  5. Step 5: Solve for x
    x = 491,813,246.83/22,332.81
  6. Step 6: Final answer
    x = 22,022.00

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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.