Home / 25,727.36-38,523.47-20,703.06

Finding the Fourth Proportional to 25,727.36, 38,523.47 and 20,703.06

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Solution

The fourth proportional to 25,727.36, 38,523.47 and 20,703.06 is: 31,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.36 : 38,523.47 = 20,703.06 : x
  2. Step 2: Convert to fraction form
    25,727.36/38,523.47 = 20,703.06/x
  3. Step 3: Cross multiply
    25,727.36x = 38,523.47 × 20,703.06
  4. Step 4: Simplify right side
    25,727.36x = 797,553,607.30
  5. Step 5: Solve for x
    x = 797,553,607.30/25,727.36
  6. Step 6: Final answer
    x = 31,000.22

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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.