Home / 18,509.36-25,543.52-10,125.86

Finding the Fourth Proportional to 18,509.36, 25,543.52 and 10,125.86

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Solution

The fourth proportional to 18,509.36, 25,543.52 and 10,125.86 is: 13,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.36 : 25,543.52 = 10,125.86 : x
  2. Step 2: Convert to fraction form
    18,509.36/25,543.52 = 10,125.86/x
  3. Step 3: Cross multiply
    18,509.36x = 25,543.52 × 10,125.86
  4. Step 4: Simplify right side
    18,509.36x = 258,649,929.08
  5. Step 5: Solve for x
    x = 258,649,929.08/18,509.36
  6. Step 6: Final answer
    x = 13,974.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.