Home / 18,621.24-25,697.52-10,123.35

Finding the Fourth Proportional to 18,621.24, 25,697.52 and 10,123.35

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Solution

The fourth proportional to 18,621.24, 25,697.52 and 10,123.35 is: 13,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.24 : 25,697.52 = 10,123.35 : x
  2. Step 2: Convert to fraction form
    18,621.24/25,697.52 = 10,123.35/x
  3. Step 3: Cross multiply
    18,621.24x = 25,697.52 × 10,123.35
  4. Step 4: Simplify right side
    18,621.24x = 260,144,989.09
  5. Step 5: Solve for x
    x = 260,144,989.09/18,621.24
  6. Step 6: Final answer
    x = 13,970.34

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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.