Home / 20,546.24-30,798.45-13,055.31

Finding the Fourth Proportional to 20,546.24, 30,798.45 and 13,055.31

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Solution

The fourth proportional to 20,546.24, 30,798.45 and 13,055.31 is: 19,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.24 : 30,798.45 = 13,055.31 : x
  2. Step 2: Convert to fraction form
    20,546.24/30,798.45 = 13,055.31/x
  3. Step 3: Cross multiply
    20,546.24x = 30,798.45 × 13,055.31
  4. Step 4: Simplify right side
    20,546.24x = 402,083,312.27
  5. Step 5: Solve for x
    x = 402,083,312.27/20,546.24
  6. Step 6: Final answer
    x = 19,569.68

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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.