Home / 18,325.20-25,285.56-10,366.32

Finding the Fourth Proportional to 18,325.20, 25,285.56 and 10,366.32

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Solution

The fourth proportional to 18,325.20, 25,285.56 and 10,366.32 is: 14,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.20 : 25,285.56 = 10,366.32 : x
  2. Step 2: Convert to fraction form
    18,325.20/25,285.56 = 10,366.32/x
  3. Step 3: Cross multiply
    18,325.20x = 25,285.56 × 10,366.32
  4. Step 4: Simplify right side
    18,325.20x = 262,118,206.34
  5. Step 5: Solve for x
    x = 262,118,206.34/18,325.20
  6. Step 6: Final answer
    x = 14,303.70

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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.