Home / 18,585.83-25,647.22-11,031.77

Finding the Fourth Proportional to 18,585.83, 25,647.22 and 11,031.77

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Solution

The fourth proportional to 18,585.83, 25,647.22 and 11,031.77 is: 15,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.83 : 25,647.22 = 11,031.77 : x
  2. Step 2: Convert to fraction form
    18,585.83/25,647.22 = 11,031.77/x
  3. Step 3: Cross multiply
    18,585.83x = 25,647.22 × 11,031.77
  4. Step 4: Simplify right side
    18,585.83x = 282,934,232.18
  5. Step 5: Solve for x
    x = 282,934,232.18/18,585.83
  6. Step 6: Final answer
    x = 15,223.12

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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.