Home / 18,854.75-26,021.85-10,897.04

Finding the Fourth Proportional to 18,854.75, 26,021.85 and 10,897.04

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Solution

The fourth proportional to 18,854.75, 26,021.85 and 10,897.04 is: 15,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.75 : 26,021.85 = 10,897.04 : x
  2. Step 2: Convert to fraction form
    18,854.75/26,021.85 = 10,897.04/x
  3. Step 3: Cross multiply
    18,854.75x = 26,021.85 × 10,897.04
  4. Step 4: Simplify right side
    18,854.75x = 283,561,140.32
  5. Step 5: Solve for x
    x = 283,561,140.32/18,854.75
  6. Step 6: Final answer
    x = 15,039.24

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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.