Home / 18,439.03-25,445.10-10,055.53

Finding the Fourth Proportional to 18,439.03, 25,445.10 and 10,055.53

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Solution

The fourth proportional to 18,439.03, 25,445.10 and 10,055.53 is: 13,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.03 : 25,445.10 = 10,055.53 : x
  2. Step 2: Convert to fraction form
    18,439.03/25,445.10 = 10,055.53/x
  3. Step 3: Cross multiply
    18,439.03x = 25,445.10 × 10,055.53
  4. Step 4: Simplify right side
    18,439.03x = 255,863,966.40
  5. Step 5: Solve for x
    x = 255,863,966.40/18,439.03
  6. Step 6: Final answer
    x = 13,876.22

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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.