Home / 22,955.56-31,685.40-14,999.08

Finding the Fourth Proportional to 22,955.56, 31,685.40 and 14,999.08

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Solution

The fourth proportional to 22,955.56, 31,685.40 and 14,999.08 is: 20,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,955.56 : 31,685.40 = 14,999.08 : x
  2. Step 2: Convert to fraction form
    22,955.56/31,685.40 = 14,999.08/x
  3. Step 3: Cross multiply
    22,955.56x = 31,685.40 × 14,999.08
  4. Step 4: Simplify right side
    22,955.56x = 475,251,849.43
  5. Step 5: Solve for x
    x = 475,251,849.43/22,955.56
  6. Step 6: Final answer
    x = 20,703.13

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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.