Home / 19,332.40-28,991.04-6,847.60

Finding the Fourth Proportional to 19,332.40, 28,991.04 and 6,847.60

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Solution

The fourth proportional to 19,332.40, 28,991.04 and 6,847.60 is: 10,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.40 : 28,991.04 = 6,847.60 : x
  2. Step 2: Convert to fraction form
    19,332.40/28,991.04 = 6,847.60/x
  3. Step 3: Cross multiply
    19,332.40x = 28,991.04 × 6,847.60
  4. Step 4: Simplify right side
    19,332.40x = 198,519,045.50
  5. Step 5: Solve for x
    x = 198,519,045.50/19,332.40
  6. Step 6: Final answer
    x = 10,268.72

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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.