Home / 26,678.98-36,820.54-15,348.18

Finding the Fourth Proportional to 26,678.98, 36,820.54 and 15,348.18

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Solution

The fourth proportional to 26,678.98, 36,820.54 and 15,348.18 is: 21,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.98 : 36,820.54 = 15,348.18 : x
  2. Step 2: Convert to fraction form
    26,678.98/36,820.54 = 15,348.18/x
  3. Step 3: Cross multiply
    26,678.98x = 36,820.54 × 15,348.18
  4. Step 4: Simplify right side
    26,678.98x = 565,128,275.62
  5. Step 5: Solve for x
    x = 565,128,275.62/26,678.98
  6. Step 6: Final answer
    x = 21,182.53

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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.