Home / 19,149.47-26,428.71-11,595.81

Finding the Fourth Proportional to 19,149.47, 26,428.71 and 11,595.81

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Solution

The fourth proportional to 19,149.47, 26,428.71 and 11,595.81 is: 16,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.47 : 26,428.71 = 11,595.81 : x
  2. Step 2: Convert to fraction form
    19,149.47/26,428.71 = 11,595.81/x
  3. Step 3: Cross multiply
    19,149.47x = 26,428.71 × 11,595.81
  4. Step 4: Simplify right side
    19,149.47x = 306,462,299.71
  5. Step 5: Solve for x
    x = 306,462,299.71/19,149.47
  6. Step 6: Final answer
    x = 16,003.70

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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.