Home / 20,041.48-27,666.66-13,338.10

Finding the Fourth Proportional to 20,041.48, 27,666.66 and 13,338.10

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Solution

The fourth proportional to 20,041.48, 27,666.66 and 13,338.10 is: 18,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.48 : 27,666.66 = 13,338.10 : x
  2. Step 2: Convert to fraction form
    20,041.48/27,666.66 = 13,338.10/x
  3. Step 3: Cross multiply
    20,041.48x = 27,666.66 × 13,338.10
  4. Step 4: Simplify right side
    20,041.48x = 369,020,677.75
  5. Step 5: Solve for x
    x = 369,020,677.75/20,041.48
  6. Step 6: Final answer
    x = 18,412.85

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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.