Home / 26,142.02-36,079.07-15,531.67

Finding the Fourth Proportional to 26,142.02, 36,079.07 and 15,531.67

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Solution

The fourth proportional to 26,142.02, 36,079.07 and 15,531.67 is: 21,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.02 : 36,079.07 = 15,531.67 : x
  2. Step 2: Convert to fraction form
    26,142.02/36,079.07 = 15,531.67/x
  3. Step 3: Cross multiply
    26,142.02x = 36,079.07 × 15,531.67
  4. Step 4: Simplify right side
    26,142.02x = 560,368,061.01
  5. Step 5: Solve for x
    x = 560,368,061.01/26,142.02
  6. Step 6: Final answer
    x = 21,435.53

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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.