Home / 26,921.82-37,151.76-14,985.18

Finding the Fourth Proportional to 26,921.82, 37,151.76 and 14,985.18

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Solution

The fourth proportional to 26,921.82, 37,151.76 and 14,985.18 is: 20,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.82 : 37,151.76 = 14,985.18 : x
  2. Step 2: Convert to fraction form
    26,921.82/37,151.76 = 14,985.18/x
  3. Step 3: Cross multiply
    26,921.82x = 37,151.76 × 14,985.18
  4. Step 4: Simplify right side
    26,921.82x = 556,725,810.92
  5. Step 5: Solve for x
    x = 556,725,810.92/26,921.82
  6. Step 6: Final answer
    x = 20,679.35

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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.