Home / 13,703.06-20,535.15-10,013.78

Finding the Fourth Proportional to 13,703.06, 20,535.15 and 10,013.78

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Solution

The fourth proportional to 13,703.06, 20,535.15 and 10,013.78 is: 15,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.06 : 20,535.15 = 10,013.78 : x
  2. Step 2: Convert to fraction form
    13,703.06/20,535.15 = 10,013.78/x
  3. Step 3: Cross multiply
    13,703.06x = 20,535.15 × 10,013.78
  4. Step 4: Simplify right side
    13,703.06x = 205,634,474.37
  5. Step 5: Solve for x
    x = 205,634,474.37/13,703.06
  6. Step 6: Final answer
    x = 15,006.46

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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.