Home / 19,673.84-27,140.28-11,713.52

Finding the Fourth Proportional to 19,673.84, 27,140.28 and 11,713.52

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Solution

The fourth proportional to 19,673.84, 27,140.28 and 11,713.52 is: 16,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.84 : 27,140.28 = 11,713.52 : x
  2. Step 2: Convert to fraction form
    19,673.84/27,140.28 = 11,713.52/x
  3. Step 3: Cross multiply
    19,673.84x = 27,140.28 × 11,713.52
  4. Step 4: Simplify right side
    19,673.84x = 317,908,212.59
  5. Step 5: Solve for x
    x = 317,908,212.59/19,673.84
  6. Step 6: Final answer
    x = 16,158.93

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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.