Home / 19,561.11-26,994.18-10,608.63

Finding the Fourth Proportional to 19,561.11, 26,994.18 and 10,608.63

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Solution

The fourth proportional to 19,561.11, 26,994.18 and 10,608.63 is: 14,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.11 : 26,994.18 = 10,608.63 : x
  2. Step 2: Convert to fraction form
    19,561.11/26,994.18 = 10,608.63/x
  3. Step 3: Cross multiply
    19,561.11x = 26,994.18 × 10,608.63
  4. Step 4: Simplify right side
    19,561.11x = 286,371,267.77
  5. Step 5: Solve for x
    x = 286,371,267.77/19,561.11
  6. Step 6: Final answer
    x = 14,639.83

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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.