Home / 25,903.11-38,842.29-11,858.91

Finding the Fourth Proportional to 25,903.11, 38,842.29 and 11,858.91

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Solution

The fourth proportional to 25,903.11, 38,842.29 and 11,858.91 is: 17,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.11 : 38,842.29 = 11,858.91 : x
  2. Step 2: Convert to fraction form
    25,903.11/38,842.29 = 11,858.91/x
  3. Step 3: Cross multiply
    25,903.11x = 38,842.29 × 11,858.91
  4. Step 4: Simplify right side
    25,903.11x = 460,627,221.30
  5. Step 5: Solve for x
    x = 460,627,221.30/25,903.11
  6. Step 6: Final answer
    x = 17,782.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.