Home / 25,207.57-34,774.90-15,118.67

Finding the Fourth Proportional to 25,207.57, 34,774.90 and 15,118.67

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Solution

The fourth proportional to 25,207.57, 34,774.90 and 15,118.67 is: 20,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.57 : 34,774.90 = 15,118.67 : x
  2. Step 2: Convert to fraction form
    25,207.57/34,774.90 = 15,118.67/x
  3. Step 3: Cross multiply
    25,207.57x = 34,774.90 × 15,118.67
  4. Step 4: Simplify right side
    25,207.57x = 525,750,237.38
  5. Step 5: Solve for x
    x = 525,750,237.38/25,207.57
  6. Step 6: Final answer
    x = 20,856.84

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Half scale
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Double scale
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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.