Home / 15,589.07-23,488.83-12,876.51

Finding the Fourth Proportional to 15,589.07, 23,488.83 and 12,876.51

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Solution

The fourth proportional to 15,589.07, 23,488.83 and 12,876.51 is: 19,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.07 : 23,488.83 = 12,876.51 : x
  2. Step 2: Convert to fraction form
    15,589.07/23,488.83 = 12,876.51/x
  3. Step 3: Cross multiply
    15,589.07x = 23,488.83 × 12,876.51
  4. Step 4: Simplify right side
    15,589.07x = 302,454,154.38
  5. Step 5: Solve for x
    x = 302,454,154.38/15,589.07
  6. Step 6: Final answer
    x = 19,401.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.