Home / 18,569.08-25,621.19-11,011.57

Finding the Fourth Proportional to 18,569.08, 25,621.19 and 11,011.57

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Solution

The fourth proportional to 18,569.08, 25,621.19 and 11,011.57 is: 15,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.08 : 25,621.19 = 11,011.57 : x
  2. Step 2: Convert to fraction form
    18,569.08/25,621.19 = 11,011.57/x
  3. Step 3: Cross multiply
    18,569.08x = 25,621.19 × 11,011.57
  4. Step 4: Simplify right side
    18,569.08x = 282,129,472.11
  5. Step 5: Solve for x
    x = 282,129,472.11/18,569.08
  6. Step 6: Final answer
    x = 15,193.51

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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.