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Finding the Fourth Proportional to 17,430.60, 26,117.10 and 14,838.60

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Solution

The fourth proportional to 17,430.60, 26,117.10 and 14,838.60 is: 22,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.60 : 26,117.10 = 14,838.60 : x
  2. Step 2: Convert to fraction form
    17,430.60/26,117.10 = 14,838.60/x
  3. Step 3: Cross multiply
    17,430.60x = 26,117.10 × 14,838.60
  4. Step 4: Simplify right side
    17,430.60x = 387,541,200.06
  5. Step 5: Solve for x
    x = 387,541,200.06/17,430.60
  6. Step 6: Final answer
    x = 22,233.38

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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.