Home / 15,579.99-23,369.21-5,718.49

Finding the Fourth Proportional to 15,579.99, 23,369.21 and 5,718.49

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Solution

The fourth proportional to 15,579.99, 23,369.21 and 5,718.49 is: 8,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.99 : 23,369.21 = 5,718.49 : x
  2. Step 2: Convert to fraction form
    15,579.99/23,369.21 = 5,718.49/x
  3. Step 3: Cross multiply
    15,579.99x = 23,369.21 × 5,718.49
  4. Step 4: Simplify right side
    15,579.99x = 133,636,565.10
  5. Step 5: Solve for x
    x = 133,636,565.10/15,579.99
  6. Step 6: Final answer
    x = 8,577.45

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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.