Home / 15,579.74-23,376.47-8,182.49

Finding the Fourth Proportional to 15,579.74, 23,376.47 and 8,182.49

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Solution

The fourth proportional to 15,579.74, 23,376.47 and 8,182.49 is: 12,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.74 : 23,376.47 = 8,182.49 : x
  2. Step 2: Convert to fraction form
    15,579.74/23,376.47 = 8,182.49/x
  3. Step 3: Cross multiply
    15,579.74x = 23,376.47 × 8,182.49
  4. Step 4: Simplify right side
    15,579.74x = 191,277,574.22
  5. Step 5: Solve for x
    x = 191,277,574.22/15,579.74
  6. Step 6: Final answer
    x = 12,277.33

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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.