Home / 35,551.64-53,330.16-12,177.92

Finding the Fourth Proportional to 35,551.64, 53,330.16 and 12,177.92

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Solution

The fourth proportional to 35,551.64, 53,330.16 and 12,177.92 is: 18,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,551.64 : 53,330.16 = 12,177.92 : x
  2. Step 2: Convert to fraction form
    35,551.64/53,330.16 = 12,177.92/x
  3. Step 3: Cross multiply
    35,551.64x = 53,330.16 × 12,177.92
  4. Step 4: Simplify right side
    35,551.64x = 649,450,422.07
  5. Step 5: Solve for x
    x = 649,450,422.07/35,551.64
  6. Step 6: Final answer
    x = 18,267.80

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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.