Home / 19,339.67-26,688.79-10,956.17

Finding the Fourth Proportional to 19,339.67, 26,688.79 and 10,956.17

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Solution

The fourth proportional to 19,339.67, 26,688.79 and 10,956.17 is: 15,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.67 : 26,688.79 = 10,956.17 : x
  2. Step 2: Convert to fraction form
    19,339.67/26,688.79 = 10,956.17/x
  3. Step 3: Cross multiply
    19,339.67x = 26,688.79 × 10,956.17
  4. Step 4: Simplify right side
    19,339.67x = 292,406,920.33
  5. Step 5: Solve for x
    x = 292,406,920.33/19,339.67
  6. Step 6: Final answer
    x = 15,119.54

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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.