Home / 36,933.80-55,386.12-13,547.48

Finding the Fourth Proportional to 36,933.80, 55,386.12 and 13,547.48

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Solution

The fourth proportional to 36,933.80, 55,386.12 and 13,547.48 is: 20,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,933.80 : 55,386.12 = 13,547.48 : x
  2. Step 2: Convert to fraction form
    36,933.80/55,386.12 = 13,547.48/x
  3. Step 3: Cross multiply
    36,933.80x = 55,386.12 × 13,547.48
  4. Step 4: Simplify right side
    36,933.80x = 750,342,352.98
  5. Step 5: Solve for x
    x = 750,342,352.98/36,933.80
  6. Step 6: Final answer
    x = 20,315.87

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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.