Home / 10,622.70-15,931.92-10,095.80

Finding the Fourth Proportional to 10,622.70, 15,931.92 and 10,095.80

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Solution

The fourth proportional to 10,622.70, 15,931.92 and 10,095.80 is: 15,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.70 : 15,931.92 = 10,095.80 : x
  2. Step 2: Convert to fraction form
    10,622.70/15,931.92 = 10,095.80/x
  3. Step 3: Cross multiply
    10,622.70x = 15,931.92 × 10,095.80
  4. Step 4: Simplify right side
    10,622.70x = 160,845,398.28
  5. Step 5: Solve for x
    x = 160,845,398.28/10,622.70
  6. Step 6: Final answer
    x = 15,141.67

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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.