Home / 19,046.81-26,278.49-12,337.58

Finding the Fourth Proportional to 19,046.81, 26,278.49 and 12,337.58

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Solution

The fourth proportional to 19,046.81, 26,278.49 and 12,337.58 is: 17,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.81 : 26,278.49 = 12,337.58 : x
  2. Step 2: Convert to fraction form
    19,046.81/26,278.49 = 12,337.58/x
  3. Step 3: Cross multiply
    19,046.81x = 26,278.49 × 12,337.58
  4. Step 4: Simplify right side
    19,046.81x = 324,213,069.19
  5. Step 5: Solve for x
    x = 324,213,069.19/19,046.81
  6. Step 6: Final answer
    x = 17,021.91

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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.