Home / 15,581.58-23,358.47-5,718.57

Finding the Fourth Proportional to 15,581.58, 23,358.47 and 5,718.57

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Solution

The fourth proportional to 15,581.58, 23,358.47 and 5,718.57 is: 8,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.58 : 23,358.47 = 5,718.57 : x
  2. Step 2: Convert to fraction form
    15,581.58/23,358.47 = 5,718.57/x
  3. Step 3: Cross multiply
    15,581.58x = 23,358.47 × 5,718.57
  4. Step 4: Simplify right side
    15,581.58x = 133,577,045.79
  5. Step 5: Solve for x
    x = 133,577,045.79/15,581.58
  6. Step 6: Final answer
    x = 8,572.75

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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.