Home / 25,401.90-38,096.72-10,602.80

Finding the Fourth Proportional to 25,401.90, 38,096.72 and 10,602.80

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Solution

The fourth proportional to 25,401.90, 38,096.72 and 10,602.80 is: 15,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.90 : 38,096.72 = 10,602.80 : x
  2. Step 2: Convert to fraction form
    25,401.90/38,096.72 = 10,602.80/x
  3. Step 3: Cross multiply
    25,401.90x = 38,096.72 × 10,602.80
  4. Step 4: Simplify right side
    25,401.90x = 403,931,902.82
  5. Step 5: Solve for x
    x = 403,931,902.82/25,401.90
  6. Step 6: Final answer
    x = 15,901.64

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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.