Home / 13,526.11-18,636.33-10,108.81

Finding the Fourth Proportional to 13,526.11, 18,636.33 and 10,108.81

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Solution

The fourth proportional to 13,526.11, 18,636.33 and 10,108.81 is: 13,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.11 : 18,636.33 = 10,108.81 : x
  2. Step 2: Convert to fraction form
    13,526.11/18,636.33 = 10,108.81/x
  3. Step 3: Cross multiply
    13,526.11x = 18,636.33 × 10,108.81
  4. Step 4: Simplify right side
    13,526.11x = 188,391,119.07
  5. Step 5: Solve for x
    x = 188,391,119.07/13,526.11
  6. Step 6: Final answer
    x = 13,927.96

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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.