Home / 18,586.10-25,648.71-10,088.39

Finding the Fourth Proportional to 18,586.10, 25,648.71 and 10,088.39

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Solution

The fourth proportional to 18,586.10, 25,648.71 and 10,088.39 is: 13,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.10 : 25,648.71 = 10,088.39 : x
  2. Step 2: Convert to fraction form
    18,586.10/25,648.71 = 10,088.39/x
  3. Step 3: Cross multiply
    18,586.10x = 25,648.71 × 10,088.39
  4. Step 4: Simplify right side
    18,586.10x = 258,754,189.48
  5. Step 5: Solve for x
    x = 258,754,189.48/18,586.10
  6. Step 6: Final answer
    x = 13,921.92

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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.