Home / 15,993.56-22,070.84-9,280.32

Finding the Fourth Proportional to 15,993.56, 22,070.84 and 9,280.32

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Solution

The fourth proportional to 15,993.56, 22,070.84 and 9,280.32 is: 12,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.56 : 22,070.84 = 9,280.32 : x
  2. Step 2: Convert to fraction form
    15,993.56/22,070.84 = 9,280.32/x
  3. Step 3: Cross multiply
    15,993.56x = 22,070.84 × 9,280.32
  4. Step 4: Simplify right side
    15,993.56x = 204,824,457.87
  5. Step 5: Solve for x
    x = 204,824,457.87/15,993.56
  6. Step 6: Final answer
    x = 12,806.68

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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.