Home / 15,165.09-22,737.31-7,763.51

Finding the Fourth Proportional to 15,165.09, 22,737.31 and 7,763.51

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Solution

The fourth proportional to 15,165.09, 22,737.31 and 7,763.51 is: 11,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.09 : 22,737.31 = 7,763.51 : x
  2. Step 2: Convert to fraction form
    15,165.09/22,737.31 = 7,763.51/x
  3. Step 3: Cross multiply
    15,165.09x = 22,737.31 × 7,763.51
  4. Step 4: Simplify right side
    15,165.09x = 176,521,370.99
  5. Step 5: Solve for x
    x = 176,521,370.99/15,165.09
  6. Step 6: Final answer
    x = 11,639.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.