Home / 18,528.03-25,569.15-10,144.53

Finding the Fourth Proportional to 18,528.03, 25,569.15 and 10,144.53

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Solution

The fourth proportional to 18,528.03, 25,569.15 and 10,144.53 is: 13,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.03 : 25,569.15 = 10,144.53 : x
  2. Step 2: Convert to fraction form
    18,528.03/25,569.15 = 10,144.53/x
  3. Step 3: Cross multiply
    18,528.03x = 25,569.15 × 10,144.53
  4. Step 4: Simplify right side
    18,528.03x = 259,387,009.25
  5. Step 5: Solve for x
    x = 259,387,009.25/18,528.03
  6. Step 6: Final answer
    x = 13,999.71

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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.