Home / 13,875.52-19,158.24-8,577.60

Finding the Fourth Proportional to 13,875.52, 19,158.24 and 8,577.60

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Solution

The fourth proportional to 13,875.52, 19,158.24 and 8,577.60 is: 11,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.52 : 19,158.24 = 8,577.60 : x
  2. Step 2: Convert to fraction form
    13,875.52/19,158.24 = 8,577.60/x
  3. Step 3: Cross multiply
    13,875.52x = 19,158.24 × 8,577.60
  4. Step 4: Simplify right side
    13,875.52x = 164,331,719.42
  5. Step 5: Solve for x
    x = 164,331,719.42/13,875.52
  6. Step 6: Final answer
    x = 11,843.28

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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.