Home / 14,552.56-20,036.48-13,222.28

Finding the Fourth Proportional to 14,552.56, 20,036.48 and 13,222.28

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Solution

The fourth proportional to 14,552.56, 20,036.48 and 13,222.28 is: 18,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,552.56 : 20,036.48 = 13,222.28 : x
  2. Step 2: Convert to fraction form
    14,552.56/20,036.48 = 13,222.28/x
  3. Step 3: Cross multiply
    14,552.56x = 20,036.48 × 13,222.28
  4. Step 4: Simplify right side
    14,552.56x = 264,927,882.66
  5. Step 5: Solve for x
    x = 264,927,882.66/14,552.56
  6. Step 6: Final answer
    x = 18,204.91

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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.