Home / 18,509.06-25,543.14-10,125.56

Finding the Fourth Proportional to 18,509.06, 25,543.14 and 10,125.56

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Solution

The fourth proportional to 18,509.06, 25,543.14 and 10,125.56 is: 13,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.06 : 25,543.14 = 10,125.56 : x
  2. Step 2: Convert to fraction form
    18,509.06/25,543.14 = 10,125.56/x
  3. Step 3: Cross multiply
    18,509.06x = 25,543.14 × 10,125.56
  4. Step 4: Simplify right side
    18,509.06x = 258,638,596.66
  5. Step 5: Solve for x
    x = 258,638,596.66/18,509.06
  6. Step 6: Final answer
    x = 13,973.62

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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.