Home / 19,278.18-26,601.75-10,894.68

Finding the Fourth Proportional to 19,278.18, 26,601.75 and 10,894.68

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Solution

The fourth proportional to 19,278.18, 26,601.75 and 10,894.68 is: 15,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.18 : 26,601.75 = 10,894.68 : x
  2. Step 2: Convert to fraction form
    19,278.18/26,601.75 = 10,894.68/x
  3. Step 3: Cross multiply
    19,278.18x = 26,601.75 × 10,894.68
  4. Step 4: Simplify right side
    19,278.18x = 289,817,553.69
  5. Step 5: Solve for x
    x = 289,817,553.69/19,278.18
  6. Step 6: Final answer
    x = 15,033.45

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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.