Home / 22,320.16-30,724.50-19,293.88

Finding the Fourth Proportional to 22,320.16, 30,724.50 and 19,293.88

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Solution

The fourth proportional to 22,320.16, 30,724.50 and 19,293.88 is: 26,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.16 : 30,724.50 = 19,293.88 : x
  2. Step 2: Convert to fraction form
    22,320.16/30,724.50 = 19,293.88/x
  3. Step 3: Cross multiply
    22,320.16x = 30,724.50 × 19,293.88
  4. Step 4: Simplify right side
    22,320.16x = 592,794,816.06
  5. Step 5: Solve for x
    x = 592,794,816.06/22,320.16
  6. Step 6: Final answer
    x = 26,558.72

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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.