Home / 27,365.31-37,708.34-18,870.03

Finding the Fourth Proportional to 27,365.31, 37,708.34 and 18,870.03

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Solution

The fourth proportional to 27,365.31, 37,708.34 and 18,870.03 is: 26,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.31 : 37,708.34 = 18,870.03 : x
  2. Step 2: Convert to fraction form
    27,365.31/37,708.34 = 18,870.03/x
  3. Step 3: Cross multiply
    27,365.31x = 37,708.34 × 18,870.03
  4. Step 4: Simplify right side
    27,365.31x = 711,557,412.70
  5. Step 5: Solve for x
    x = 711,557,412.70/27,365.31
  6. Step 6: Final answer
    x = 26,002.17

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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.