Home / 13,854.12-19,118.69-8,548.93

Finding the Fourth Proportional to 13,854.12, 19,118.69 and 8,548.93

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Solution

The fourth proportional to 13,854.12, 19,118.69 and 8,548.93 is: 11,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.12 : 19,118.69 = 8,548.93 : x
  2. Step 2: Convert to fraction form
    13,854.12/19,118.69 = 8,548.93/x
  3. Step 3: Cross multiply
    13,854.12x = 19,118.69 × 8,548.93
  4. Step 4: Simplify right side
    13,854.12x = 163,444,342.50
  5. Step 5: Solve for x
    x = 163,444,342.50/13,854.12
  6. Step 6: Final answer
    x = 11,797.53

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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.