Home / 14,280.68-19,707.60-7,993.04

Finding the Fourth Proportional to 14,280.68, 19,707.60 and 7,993.04

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Solution

The fourth proportional to 14,280.68, 19,707.60 and 7,993.04 is: 11,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.68 : 19,707.60 = 7,993.04 : x
  2. Step 2: Convert to fraction form
    14,280.68/19,707.60 = 7,993.04/x
  3. Step 3: Cross multiply
    14,280.68x = 19,707.60 × 7,993.04
  4. Step 4: Simplify right side
    14,280.68x = 157,523,635.10
  5. Step 5: Solve for x
    x = 157,523,635.10/14,280.68
  6. Step 6: Final answer
    x = 11,030.54

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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.