Home / 53,601.65-80,406.35-14,158.25

Finding the Fourth Proportional to 53,601.65, 80,406.35 and 14,158.25

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Solution

The fourth proportional to 53,601.65, 80,406.35 and 14,158.25 is: 21,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,601.65 : 80,406.35 = 14,158.25 : x
  2. Step 2: Convert to fraction form
    53,601.65/80,406.35 = 14,158.25/x
  3. Step 3: Cross multiply
    53,601.65x = 80,406.35 × 14,158.25
  4. Step 4: Simplify right side
    53,601.65x = 1,138,413,204.89
  5. Step 5: Solve for x
    x = 1,138,413,204.89/53,601.65
  6. Step 6: Final answer
    x = 21,238.40

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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.