Home / 22,509.24-31,065.39-13,561.26

Finding the Fourth Proportional to 22,509.24, 31,065.39 and 13,561.26

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Solution

The fourth proportional to 22,509.24, 31,065.39 and 13,561.26 is: 18,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.24 : 31,065.39 = 13,561.26 : x
  2. Step 2: Convert to fraction form
    22,509.24/31,065.39 = 13,561.26/x
  3. Step 3: Cross multiply
    22,509.24x = 31,065.39 × 13,561.26
  4. Step 4: Simplify right side
    22,509.24x = 421,285,830.79
  5. Step 5: Solve for x
    x = 421,285,830.79/22,509.24
  6. Step 6: Final answer
    x = 18,716.13

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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.