Home / 18,439.04-25,445.90-10,055.54

Finding the Fourth Proportional to 18,439.04, 25,445.90 and 10,055.54

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Solution

The fourth proportional to 18,439.04, 25,445.90 and 10,055.54 is: 13,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.04 : 25,445.90 = 10,055.54 : x
  2. Step 2: Convert to fraction form
    18,439.04/25,445.90 = 10,055.54/x
  3. Step 3: Cross multiply
    18,439.04x = 25,445.90 × 10,055.54
  4. Step 4: Simplify right side
    18,439.04x = 255,872,297.48
  5. Step 5: Solve for x
    x = 255,872,297.48/18,439.04
  6. Step 6: Final answer
    x = 13,876.66

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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.