Home / 26,333.02-36,340.14-15,720.67

Finding the Fourth Proportional to 26,333.02, 36,340.14 and 15,720.67

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Solution

The fourth proportional to 26,333.02, 36,340.14 and 15,720.67 is: 21,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,333.02 : 36,340.14 = 15,720.67 : x
  2. Step 2: Convert to fraction form
    26,333.02/36,340.14 = 15,720.67/x
  3. Step 3: Cross multiply
    26,333.02x = 36,340.14 × 15,720.67
  4. Step 4: Simplify right side
    26,333.02x = 571,291,348.69
  5. Step 5: Solve for x
    x = 571,291,348.69/26,333.02
  6. Step 6: Final answer
    x = 21,694.87

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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.