Home / 18,191.08-25,101.40-10,535.68

Finding the Fourth Proportional to 18,191.08, 25,101.40 and 10,535.68

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Solution

The fourth proportional to 18,191.08, 25,101.40 and 10,535.68 is: 14,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.08 : 25,101.40 = 10,535.68 : x
  2. Step 2: Convert to fraction form
    18,191.08/25,101.40 = 10,535.68/x
  3. Step 3: Cross multiply
    18,191.08x = 25,101.40 × 10,535.68
  4. Step 4: Simplify right side
    18,191.08x = 264,460,317.95
  5. Step 5: Solve for x
    x = 264,460,317.95/18,191.08
  6. Step 6: Final answer
    x = 14,537.91

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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.