Home / 13,125.08-19,687.35-4,360.07

Finding the Fourth Proportional to 13,125.08, 19,687.35 and 4,360.07

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Solution

The fourth proportional to 13,125.08, 19,687.35 and 4,360.07 is: 6,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.08 : 19,687.35 = 4,360.07 : x
  2. Step 2: Convert to fraction form
    13,125.08/19,687.35 = 4,360.07/x
  3. Step 3: Cross multiply
    13,125.08x = 19,687.35 × 4,360.07
  4. Step 4: Simplify right side
    13,125.08x = 85,838,224.11
  5. Step 5: Solve for x
    x = 85,838,224.11/13,125.08
  6. Step 6: Final answer
    x = 6,540.02

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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.