Home / 17,812.40-26,689.32-11,222.24

Finding the Fourth Proportional to 17,812.40, 26,689.32 and 11,222.24

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Solution

The fourth proportional to 17,812.40, 26,689.32 and 11,222.24 is: 16,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.40 : 26,689.32 = 11,222.24 : x
  2. Step 2: Convert to fraction form
    17,812.40/26,689.32 = 11,222.24/x
  3. Step 3: Cross multiply
    17,812.40x = 26,689.32 × 11,222.24
  4. Step 4: Simplify right side
    17,812.40x = 299,513,954.48
  5. Step 5: Solve for x
    x = 299,513,954.48/17,812.40
  6. Step 6: Final answer
    x = 16,814.91

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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.