Home / 22,421.81-30,943.50-12,350.26

Finding the Fourth Proportional to 22,421.81, 30,943.50 and 12,350.26

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Solution

The fourth proportional to 22,421.81, 30,943.50 and 12,350.26 is: 17,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.81 : 30,943.50 = 12,350.26 : x
  2. Step 2: Convert to fraction form
    22,421.81/30,943.50 = 12,350.26/x
  3. Step 3: Cross multiply
    22,421.81x = 30,943.50 × 12,350.26
  4. Step 4: Simplify right side
    22,421.81x = 382,160,158.09
  5. Step 5: Solve for x
    x = 382,160,158.09/22,421.81
  6. Step 6: Final answer
    x = 17,044.12

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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.