Home / 35,840.88-53,701.92-12,454.56

Finding the Fourth Proportional to 35,840.88, 53,701.92 and 12,454.56

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Solution

The fourth proportional to 35,840.88, 53,701.92 and 12,454.56 is: 18,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,840.88 : 53,701.92 = 12,454.56 : x
  2. Step 2: Convert to fraction form
    35,840.88/53,701.92 = 12,454.56/x
  3. Step 3: Cross multiply
    35,840.88x = 53,701.92 × 12,454.56
  4. Step 4: Simplify right side
    35,840.88x = 668,833,784.76
  5. Step 5: Solve for x
    x = 668,833,784.76/35,840.88
  6. Step 6: Final answer
    x = 18,661.20

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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.