Home / 18,838.60-25,969.51-14,354.57

Finding the Fourth Proportional to 18,838.60, 25,969.51 and 14,354.57

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Solution

The fourth proportional to 18,838.60, 25,969.51 and 14,354.57 is: 19,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.60 : 25,969.51 = 14,354.57 : x
  2. Step 2: Convert to fraction form
    18,838.60/25,969.51 = 14,354.57/x
  3. Step 3: Cross multiply
    18,838.60x = 25,969.51 × 14,354.57
  4. Step 4: Simplify right side
    18,838.60x = 372,781,149.16
  5. Step 5: Solve for x
    x = 372,781,149.16/18,838.60
  6. Step 6: Final answer
    x = 19,788.16

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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.