Home / 18,758.55-25,894.76-11,688.46

Finding the Fourth Proportional to 18,758.55, 25,894.76 and 11,688.46

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Solution

The fourth proportional to 18,758.55, 25,894.76 and 11,688.46 is: 16,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.55 : 25,894.76 = 11,688.46 : x
  2. Step 2: Convert to fraction form
    18,758.55/25,894.76 = 11,688.46/x
  3. Step 3: Cross multiply
    18,758.55x = 25,894.76 × 11,688.46
  4. Step 4: Simplify right side
    18,758.55x = 302,669,866.47
  5. Step 5: Solve for x
    x = 302,669,866.47/18,758.55
  6. Step 6: Final answer
    x = 16,135.04

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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.