Home / 18,509.24-25,543.36-10,125.74

Finding the Fourth Proportional to 18,509.24, 25,543.36 and 10,125.74

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Solution

The fourth proportional to 18,509.24, 25,543.36 and 10,125.74 is: 13,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.24 : 25,543.36 = 10,125.74 : x
  2. Step 2: Convert to fraction form
    18,509.24/25,543.36 = 10,125.74/x
  3. Step 3: Cross multiply
    18,509.24x = 25,543.36 × 10,125.74
  4. Step 4: Simplify right side
    18,509.24x = 258,645,294.37
  5. Step 5: Solve for x
    x = 258,645,294.37/18,509.24
  6. Step 6: Final answer
    x = 13,973.85

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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.