Home / 25,667.40-38,492.01-15,776.94

Finding the Fourth Proportional to 25,667.40, 38,492.01 and 15,776.94

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Solution

The fourth proportional to 25,667.40, 38,492.01 and 15,776.94 is: 23,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.40 : 38,492.01 = 15,776.94 : x
  2. Step 2: Convert to fraction form
    25,667.40/38,492.01 = 15,776.94/x
  3. Step 3: Cross multiply
    25,667.40x = 38,492.01 × 15,776.94
  4. Step 4: Simplify right side
    25,667.40x = 607,286,132.25
  5. Step 5: Solve for x
    x = 607,286,132.25/25,667.40
  6. Step 6: Final answer
    x = 23,659.82

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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.