Home / 26,569.80-36,666-15,086.84

Finding the Fourth Proportional to 26,569.80, 36,666 and 15,086.84

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Solution

The fourth proportional to 26,569.80, 36,666 and 15,086.84 is: 20,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,569.80 : 36,666 = 15,086.84 : x
  2. Step 2: Convert to fraction form
    26,569.80/36,666 = 15,086.84/x
  3. Step 3: Cross multiply
    26,569.80x = 36,666 × 15,086.84
  4. Step 4: Simplify right side
    26,569.80x = 553,173,892.11
  5. Step 5: Solve for x
    x = 553,173,892.11/26,569.80
  6. Step 6: Final answer
    x = 20,819.65

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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.