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Finding the Fourth Proportional to 15,952.85, 22,008.98 and 15,928.25

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Solution

The fourth proportional to 15,952.85, 22,008.98 and 15,928.25 is: 21,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.85 : 22,008.98 = 15,928.25 : x
  2. Step 2: Convert to fraction form
    15,952.85/22,008.98 = 15,928.25/x
  3. Step 3: Cross multiply
    15,952.85x = 22,008.98 × 15,928.25
  4. Step 4: Simplify right side
    15,952.85x = 350,564,465.46
  5. Step 5: Solve for x
    x = 350,564,465.46/15,952.85
  6. Step 6: Final answer
    x = 21,975.04

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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.