Home / 26,013.51-38,989.08-13,350.24

Finding the Fourth Proportional to 26,013.51, 38,989.08 and 13,350.24

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Solution

The fourth proportional to 26,013.51, 38,989.08 and 13,350.24 is: 20,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.51 : 38,989.08 = 13,350.24 : x
  2. Step 2: Convert to fraction form
    26,013.51/38,989.08 = 13,350.24/x
  3. Step 3: Cross multiply
    26,013.51x = 38,989.08 × 13,350.24
  4. Step 4: Simplify right side
    26,013.51x = 520,513,575.38
  5. Step 5: Solve for x
    x = 520,513,575.38/26,013.51
  6. Step 6: Final answer
    x = 20,009.36

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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.