Home / 15,574.11-21,492.26-8,500.53

Finding the Fourth Proportional to 15,574.11, 21,492.26 and 8,500.53

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Solution

The fourth proportional to 15,574.11, 21,492.26 and 8,500.53 is: 11,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.11 : 21,492.26 = 8,500.53 : x
  2. Step 2: Convert to fraction form
    15,574.11/21,492.26 = 8,500.53/x
  3. Step 3: Cross multiply
    15,574.11x = 21,492.26 × 8,500.53
  4. Step 4: Simplify right side
    15,574.11x = 182,695,718.68
  5. Step 5: Solve for x
    x = 182,695,718.68/15,574.11
  6. Step 6: Final answer
    x = 11,730.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.