Home / 22,754.12-31,391.65-13,798.35

Finding the Fourth Proportional to 22,754.12, 31,391.65 and 13,798.35

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Solution

The fourth proportional to 22,754.12, 31,391.65 and 13,798.35 is: 19,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,754.12 : 31,391.65 = 13,798.35 : x
  2. Step 2: Convert to fraction form
    22,754.12/31,391.65 = 13,798.35/x
  3. Step 3: Cross multiply
    22,754.12x = 31,391.65 × 13,798.35
  4. Step 4: Simplify right side
    22,754.12x = 433,152,991.03
  5. Step 5: Solve for x
    x = 433,152,991.03/22,754.12
  6. Step 6: Final answer
    x = 19,036.25

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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.