Home / 25,041.81-34,556.38-13,709.13

Finding the Fourth Proportional to 25,041.81, 34,556.38 and 13,709.13

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Solution

The fourth proportional to 25,041.81, 34,556.38 and 13,709.13 is: 18,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,041.81 : 34,556.38 = 13,709.13 : x
  2. Step 2: Convert to fraction form
    25,041.81/34,556.38 = 13,709.13/x
  3. Step 3: Cross multiply
    25,041.81x = 34,556.38 × 13,709.13
  4. Step 4: Simplify right side
    25,041.81x = 473,737,905.75
  5. Step 5: Solve for x
    x = 473,737,905.75/25,041.81
  6. Step 6: Final answer
    x = 18,917.88

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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.