Home / 16,216.16-24,320.40-7,445.60

Finding the Fourth Proportional to 16,216.16, 24,320.40 and 7,445.60

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Solution

The fourth proportional to 16,216.16, 24,320.40 and 7,445.60 is: 11,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.16 : 24,320.40 = 7,445.60 : x
  2. Step 2: Convert to fraction form
    16,216.16/24,320.40 = 7,445.60/x
  3. Step 3: Cross multiply
    16,216.16x = 24,320.40 × 7,445.60
  4. Step 4: Simplify right side
    16,216.16x = 181,079,970.24
  5. Step 5: Solve for x
    x = 181,079,970.24/16,216.16
  6. Step 6: Final answer
    x = 11,166.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.