Home / 22,814.63-34,138.68-13,459.13

Finding the Fourth Proportional to 22,814.63, 34,138.68 and 13,459.13

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Solution

The fourth proportional to 22,814.63, 34,138.68 and 13,459.13 is: 20,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.63 : 34,138.68 = 13,459.13 : x
  2. Step 2: Convert to fraction form
    22,814.63/34,138.68 = 13,459.13/x
  3. Step 3: Cross multiply
    22,814.63x = 34,138.68 × 13,459.13
  4. Step 4: Simplify right side
    22,814.63x = 459,476,914.71
  5. Step 5: Solve for x
    x = 459,476,914.71/22,814.63
  6. Step 6: Final answer
    x = 20,139.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.