Home / 18,449.03-25,459.65-10,065.53

Finding the Fourth Proportional to 18,449.03, 25,459.65 and 10,065.53

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Solution

The fourth proportional to 18,449.03, 25,459.65 and 10,065.53 is: 13,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.03 : 25,459.65 = 10,065.53 : x
  2. Step 2: Convert to fraction form
    18,449.03/25,459.65 = 10,065.53/x
  3. Step 3: Cross multiply
    18,449.03x = 25,459.65 × 10,065.53
  4. Step 4: Simplify right side
    18,449.03x = 256,264,934.51
  5. Step 5: Solve for x
    x = 256,264,934.51/18,449.03
  6. Step 6: Final answer
    x = 13,890.43

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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.