Home / 19,019.20-26,247.68-10,635.68

Finding the Fourth Proportional to 19,019.20, 26,247.68 and 10,635.68

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Solution

The fourth proportional to 19,019.20, 26,247.68 and 10,635.68 is: 14,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.20 : 26,247.68 = 10,635.68 : x
  2. Step 2: Convert to fraction form
    19,019.20/26,247.68 = 10,635.68/x
  3. Step 3: Cross multiply
    19,019.20x = 26,247.68 × 10,635.68
  4. Step 4: Simplify right side
    19,019.20x = 279,161,925.22
  5. Step 5: Solve for x
    x = 279,161,925.22/19,019.20
  6. Step 6: Final answer
    x = 14,677.90

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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.