Home / 25,118.79-34,667.54-15,047.66

Finding the Fourth Proportional to 25,118.79, 34,667.54 and 15,047.66

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Solution

The fourth proportional to 25,118.79, 34,667.54 and 15,047.66 is: 20,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.79 : 34,667.54 = 15,047.66 : x
  2. Step 2: Convert to fraction form
    25,118.79/34,667.54 = 15,047.66/x
  3. Step 3: Cross multiply
    25,118.79x = 34,667.54 × 15,047.66
  4. Step 4: Simplify right side
    25,118.79x = 521,665,106.38
  5. Step 5: Solve for x
    x = 521,665,106.38/25,118.79
  6. Step 6: Final answer
    x = 20,767.92

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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.