Home / 26,818.10-37,010.59-15,489.66

Finding the Fourth Proportional to 26,818.10, 37,010.59 and 15,489.66

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Solution

The fourth proportional to 26,818.10, 37,010.59 and 15,489.66 is: 21,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.10 : 37,010.59 = 15,489.66 : x
  2. Step 2: Convert to fraction form
    26,818.10/37,010.59 = 15,489.66/x
  3. Step 3: Cross multiply
    26,818.10x = 37,010.59 × 15,489.66
  4. Step 4: Simplify right side
    26,818.10x = 573,281,455.50
  5. Step 5: Solve for x
    x = 573,281,455.50/26,818.10
  6. Step 6: Final answer
    x = 21,376.66

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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.