Home / 53,665.60-80,503.91-14,222.72

Finding the Fourth Proportional to 53,665.60, 80,503.91 and 14,222.72

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Solution

The fourth proportional to 53,665.60, 80,503.91 and 14,222.72 is: 21,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.60 : 80,503.91 = 14,222.72 : x
  2. Step 2: Convert to fraction form
    53,665.60/80,503.91 = 14,222.72/x
  3. Step 3: Cross multiply
    53,665.60x = 80,503.91 × 14,222.72
  4. Step 4: Simplify right side
    53,665.60x = 1,144,984,203.87
  5. Step 5: Solve for x
    x = 1,144,984,203.87/53,665.60
  6. Step 6: Final answer
    x = 21,335.53

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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.