Home / 16,129.02-22,258.05-9,057.72

Finding the Fourth Proportional to 16,129.02, 22,258.05 and 9,057.72

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Solution

The fourth proportional to 16,129.02, 22,258.05 and 9,057.72 is: 12,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.02 : 22,258.05 = 9,057.72 : x
  2. Step 2: Convert to fraction form
    16,129.02/22,258.05 = 9,057.72/x
  3. Step 3: Cross multiply
    16,129.02x = 22,258.05 × 9,057.72
  4. Step 4: Simplify right side
    16,129.02x = 201,607,184.65
  5. Step 5: Solve for x
    x = 201,607,184.65/16,129.02
  6. Step 6: Final answer
    x = 12,499.65

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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.