Home / 18,948.88-26,149.80-10,564.48

Finding the Fourth Proportional to 18,948.88, 26,149.80 and 10,564.48

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Solution

The fourth proportional to 18,948.88, 26,149.80 and 10,564.48 is: 14,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.88 : 26,149.80 = 10,564.48 : x
  2. Step 2: Convert to fraction form
    18,948.88/26,149.80 = 10,564.48/x
  3. Step 3: Cross multiply
    18,948.88x = 26,149.80 × 10,564.48
  4. Step 4: Simplify right side
    18,948.88x = 276,259,039.10
  5. Step 5: Solve for x
    x = 276,259,039.10/18,948.88
  6. Step 6: Final answer
    x = 14,579.18

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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.