Home / 18,328.32-25,293.60-10,775.16

Finding the Fourth Proportional to 18,328.32, 25,293.60 and 10,775.16

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Solution

The fourth proportional to 18,328.32, 25,293.60 and 10,775.16 is: 14,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.32 : 25,293.60 = 10,775.16 : x
  2. Step 2: Convert to fraction form
    18,328.32/25,293.60 = 10,775.16/x
  3. Step 3: Cross multiply
    18,328.32x = 25,293.60 × 10,775.16
  4. Step 4: Simplify right side
    18,328.32x = 272,542,586.98
  5. Step 5: Solve for x
    x = 272,542,586.98/18,328.32
  6. Step 6: Final answer
    x = 14,870.03

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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.