Home / 19,928.62-29,657.66-19,264.22

Finding the Fourth Proportional to 19,928.62, 29,657.66 and 19,264.22

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Solution

The fourth proportional to 19,928.62, 29,657.66 and 19,264.22 is: 28,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.62 : 29,657.66 = 19,264.22 : x
  2. Step 2: Convert to fraction form
    19,928.62/29,657.66 = 19,264.22/x
  3. Step 3: Cross multiply
    19,928.62x = 29,657.66 × 19,264.22
  4. Step 4: Simplify right side
    19,928.62x = 571,331,686.93
  5. Step 5: Solve for x
    x = 571,331,686.93/19,928.62
  6. Step 6: Final answer
    x = 28,668.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.