Home / 19,216.90-28,773.24-9,963.46

Finding the Fourth Proportional to 19,216.90, 28,773.24 and 9,963.46

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Solution

The fourth proportional to 19,216.90, 28,773.24 and 9,963.46 is: 14,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.90 : 28,773.24 = 9,963.46 : x
  2. Step 2: Convert to fraction form
    19,216.90/28,773.24 = 9,963.46/x
  3. Step 3: Cross multiply
    19,216.90x = 28,773.24 × 9,963.46
  4. Step 4: Simplify right side
    19,216.90x = 286,681,025.81
  5. Step 5: Solve for x
    x = 286,681,025.81/19,216.90
  6. Step 6: Final answer
    x = 14,918.17

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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.