Home / 22,501.24-31,060.80-13,556.40

Finding the Fourth Proportional to 22,501.24, 31,060.80 and 13,556.40

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Solution

The fourth proportional to 22,501.24, 31,060.80 and 13,556.40 is: 18,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501.24 : 31,060.80 = 13,556.40 : x
  2. Step 2: Convert to fraction form
    22,501.24/31,060.80 = 13,556.40/x
  3. Step 3: Cross multiply
    22,501.24x = 31,060.80 × 13,556.40
  4. Step 4: Simplify right side
    22,501.24x = 421,072,629.12
  5. Step 5: Solve for x
    x = 421,072,629.12/22,501.24
  6. Step 6: Final answer
    x = 18,713.31

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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.