Home / 15,820.70-23,731.05-14,500.74

Finding the Fourth Proportional to 15,820.70, 23,731.05 and 14,500.74

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Solution

The fourth proportional to 15,820.70, 23,731.05 and 14,500.74 is: 21,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.70 : 23,731.05 = 14,500.74 : x
  2. Step 2: Convert to fraction form
    15,820.70/23,731.05 = 14,500.74/x
  3. Step 3: Cross multiply
    15,820.70x = 23,731.05 × 14,500.74
  4. Step 4: Simplify right side
    15,820.70x = 344,117,785.98
  5. Step 5: Solve for x
    x = 344,117,785.98/15,820.70
  6. Step 6: Final answer
    x = 21,751.11

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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.