Home / 36,921.61-55,376.47-13,224.77

Finding the Fourth Proportional to 36,921.61, 55,376.47 and 13,224.77

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Solution

The fourth proportional to 36,921.61, 55,376.47 and 13,224.77 is: 19,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.61 : 55,376.47 = 13,224.77 : x
  2. Step 2: Convert to fraction form
    36,921.61/55,376.47 = 13,224.77/x
  3. Step 3: Cross multiply
    36,921.61x = 55,376.47 × 13,224.77
  4. Step 4: Simplify right side
    36,921.61x = 732,341,079.16
  5. Step 5: Solve for x
    x = 732,341,079.16/36,921.61
  6. Step 6: Final answer
    x = 19,835.03

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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.