Home / 13,880.95-19,159.27-8,572.73

Finding the Fourth Proportional to 13,880.95, 19,159.27 and 8,572.73

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Solution

The fourth proportional to 13,880.95, 19,159.27 and 8,572.73 is: 11,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.95 : 19,159.27 = 8,572.73 : x
  2. Step 2: Convert to fraction form
    13,880.95/19,159.27 = 8,572.73/x
  3. Step 3: Cross multiply
    13,880.95x = 19,159.27 × 8,572.73
  4. Step 4: Simplify right side
    13,880.95x = 164,247,131.48
  5. Step 5: Solve for x
    x = 164,247,131.48/13,880.95
  6. Step 6: Final answer
    x = 11,832.56

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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.