Home / 13,784.68-19,023.06-8,476.36

Finding the Fourth Proportional to 13,784.68, 19,023.06 and 8,476.36

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Solution

The fourth proportional to 13,784.68, 19,023.06 and 8,476.36 is: 11,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.68 : 19,023.06 = 8,476.36 : x
  2. Step 2: Convert to fraction form
    13,784.68/19,023.06 = 8,476.36/x
  3. Step 3: Cross multiply
    13,784.68x = 19,023.06 × 8,476.36
  4. Step 4: Simplify right side
    13,784.68x = 161,246,304.86
  5. Step 5: Solve for x
    x = 161,246,304.86/13,784.68
  6. Step 6: Final answer
    x = 11,697.50

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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.