Home / 36,684.14-55,048.07-13,312.40

Finding the Fourth Proportional to 36,684.14, 55,048.07 and 13,312.40

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Solution

The fourth proportional to 36,684.14, 55,048.07 and 13,312.40 is: 19,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684.14 : 55,048.07 = 13,312.40 : x
  2. Step 2: Convert to fraction form
    36,684.14/55,048.07 = 13,312.40/x
  3. Step 3: Cross multiply
    36,684.14x = 55,048.07 × 13,312.40
  4. Step 4: Simplify right side
    36,684.14x = 732,821,927.07
  5. Step 5: Solve for x
    x = 732,821,927.07/36,684.14
  6. Step 6: Final answer
    x = 19,976.53

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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.