Home / 13,117.18-19,749.79-11,567.17

Finding the Fourth Proportional to 13,117.18, 19,749.79 and 11,567.17

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Solution

The fourth proportional to 13,117.18, 19,749.79 and 11,567.17 is: 17,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.18 : 19,749.79 = 11,567.17 : x
  2. Step 2: Convert to fraction form
    13,117.18/19,749.79 = 11,567.17/x
  3. Step 3: Cross multiply
    13,117.18x = 19,749.79 × 11,567.17
  4. Step 4: Simplify right side
    13,117.18x = 228,449,178.39
  5. Step 5: Solve for x
    x = 228,449,178.39/13,117.18
  6. Step 6: Final answer
    x = 17,416.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.