Home / 26,461.47-36,518.55-18,500.79

Finding the Fourth Proportional to 26,461.47, 36,518.55 and 18,500.79

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Solution

The fourth proportional to 26,461.47, 36,518.55 and 18,500.79 is: 25,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,461.47 : 36,518.55 = 18,500.79 : x
  2. Step 2: Convert to fraction form
    26,461.47/36,518.55 = 18,500.79/x
  3. Step 3: Cross multiply
    26,461.47x = 36,518.55 × 18,500.79
  4. Step 4: Simplify right side
    26,461.47x = 675,622,024.65
  5. Step 5: Solve for x
    x = 675,622,024.65/26,461.47
  6. Step 6: Final answer
    x = 25,532.29

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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.