Home / 35,552.16-53,339.76-12,178.80

Finding the Fourth Proportional to 35,552.16, 53,339.76 and 12,178.80

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Solution

The fourth proportional to 35,552.16, 53,339.76 and 12,178.80 is: 18,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,552.16 : 53,339.76 = 12,178.80 : x
  2. Step 2: Convert to fraction form
    35,552.16/53,339.76 = 12,178.80/x
  3. Step 3: Cross multiply
    35,552.16x = 53,339.76 × 12,178.80
  4. Step 4: Simplify right side
    35,552.16x = 649,614,269.09
  5. Step 5: Solve for x
    x = 649,614,269.09/35,552.16
  6. Step 6: Final answer
    x = 18,272.15

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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.