Home / 26,590.17-39,831.45-12,338.58

Finding the Fourth Proportional to 26,590.17, 39,831.45 and 12,338.58

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Solution

The fourth proportional to 26,590.17, 39,831.45 and 12,338.58 is: 18,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.17 : 39,831.45 = 12,338.58 : x
  2. Step 2: Convert to fraction form
    26,590.17/39,831.45 = 12,338.58/x
  3. Step 3: Cross multiply
    26,590.17x = 39,831.45 × 12,338.58
  4. Step 4: Simplify right side
    26,590.17x = 491,463,532.34
  5. Step 5: Solve for x
    x = 491,463,532.34/26,590.17
  6. Step 6: Final answer
    x = 18,482.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.