Home / 18,069.81-24,925.10-11,782.05

Finding the Fourth Proportional to 18,069.81, 24,925.10 and 11,782.05

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Solution

The fourth proportional to 18,069.81, 24,925.10 and 11,782.05 is: 16,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.81 : 24,925.10 = 11,782.05 : x
  2. Step 2: Convert to fraction form
    18,069.81/24,925.10 = 11,782.05/x
  3. Step 3: Cross multiply
    18,069.81x = 24,925.10 × 11,782.05
  4. Step 4: Simplify right side
    18,069.81x = 293,668,715.54
  5. Step 5: Solve for x
    x = 293,668,715.54/18,069.81
  6. Step 6: Final answer
    x = 16,251.90

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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.