Home / 16,730.24-23,088-9,657.28

Finding the Fourth Proportional to 16,730.24, 23,088 and 9,657.28

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Solution

The fourth proportional to 16,730.24, 23,088 and 9,657.28 is: 13,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.24 : 23,088 = 9,657.28 : x
  2. Step 2: Convert to fraction form
    16,730.24/23,088 = 9,657.28/x
  3. Step 3: Cross multiply
    16,730.24x = 23,088 × 9,657.28
  4. Step 4: Simplify right side
    16,730.24x = 222,967,280.64
  5. Step 5: Solve for x
    x = 222,967,280.64/16,730.24
  6. Step 6: Final answer
    x = 13,327.20

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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.