Home / 26,921.79-37,151.68-14,985.12

Finding the Fourth Proportional to 26,921.79, 37,151.68 and 14,985.12

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Solution

The fourth proportional to 26,921.79, 37,151.68 and 14,985.12 is: 20,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.79 : 37,151.68 = 14,985.12 : x
  2. Step 2: Convert to fraction form
    26,921.79/37,151.68 = 14,985.12/x
  3. Step 3: Cross multiply
    26,921.79x = 37,151.68 × 14,985.12
  4. Step 4: Simplify right side
    26,921.79x = 556,722,383.00
  5. Step 5: Solve for x
    x = 556,722,383.00/26,921.79
  6. Step 6: Final answer
    x = 20,679.25

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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.