Home / 19,715.11-27,206.71-10,762.61

Finding the Fourth Proportional to 19,715.11, 27,206.71 and 10,762.61

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Solution

The fourth proportional to 19,715.11, 27,206.71 and 10,762.61 is: 14,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.11 : 27,206.71 = 10,762.61 : x
  2. Step 2: Convert to fraction form
    19,715.11/27,206.71 = 10,762.61/x
  3. Step 3: Cross multiply
    19,715.11x = 27,206.71 × 10,762.61
  4. Step 4: Simplify right side
    19,715.11x = 292,815,087.28
  5. Step 5: Solve for x
    x = 292,815,087.28/19,715.11
  6. Step 6: Final answer
    x = 14,852.32

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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.