Home / 19,159.28-26,433.66-11,603.20

Finding the Fourth Proportional to 19,159.28, 26,433.66 and 11,603.20

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Solution

The fourth proportional to 19,159.28, 26,433.66 and 11,603.20 is: 16,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.28 : 26,433.66 = 11,603.20 : x
  2. Step 2: Convert to fraction form
    19,159.28/26,433.66 = 11,603.20/x
  3. Step 3: Cross multiply
    19,159.28x = 26,433.66 × 11,603.20
  4. Step 4: Simplify right side
    19,159.28x = 306,715,043.71
  5. Step 5: Solve for x
    x = 306,715,043.71/19,159.28
  6. Step 6: Final answer
    x = 16,008.69

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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.