Home / 22,309.24-30,800.10-13,937.08

Finding the Fourth Proportional to 22,309.24, 30,800.10 and 13,937.08

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Solution

The fourth proportional to 22,309.24, 30,800.10 and 13,937.08 is: 19,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.24 : 30,800.10 = 13,937.08 : x
  2. Step 2: Convert to fraction form
    22,309.24/30,800.10 = 13,937.08/x
  3. Step 3: Cross multiply
    22,309.24x = 30,800.10 × 13,937.08
  4. Step 4: Simplify right side
    22,309.24x = 429,263,457.71
  5. Step 5: Solve for x
    x = 429,263,457.71/22,309.24
  6. Step 6: Final answer
    x = 19,241.51

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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.