Home / 18,439.02-25,445.34-10,055.52

Finding the Fourth Proportional to 18,439.02, 25,445.34 and 10,055.52

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Solution

The fourth proportional to 18,439.02, 25,445.34 and 10,055.52 is: 13,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.02 : 25,445.34 = 10,055.52 : x
  2. Step 2: Convert to fraction form
    18,439.02/25,445.34 = 10,055.52/x
  3. Step 3: Cross multiply
    18,439.02x = 25,445.34 × 10,055.52
  4. Step 4: Simplify right side
    18,439.02x = 255,866,125.28
  5. Step 5: Solve for x
    x = 255,866,125.28/18,439.02
  6. Step 6: Final answer
    x = 13,876.34

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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.