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Finding the Fourth Proportional to 15,069.16, 22,590.98 and 9,213.47

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Solution

The fourth proportional to 15,069.16, 22,590.98 and 9,213.47 is: 13,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.16 : 22,590.98 = 9,213.47 : x
  2. Step 2: Convert to fraction form
    15,069.16/22,590.98 = 9,213.47/x
  3. Step 3: Cross multiply
    15,069.16x = 22,590.98 × 9,213.47
  4. Step 4: Simplify right side
    15,069.16x = 208,141,328.57
  5. Step 5: Solve for x
    x = 208,141,328.57/15,069.16
  6. Step 6: Final answer
    x = 13,812.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.