Home / 19,715.84-27,206.70-11,332.34

Finding the Fourth Proportional to 19,715.84, 27,206.70 and 11,332.34

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Solution

The fourth proportional to 19,715.84, 27,206.70 and 11,332.34 is: 15,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.84 : 27,206.70 = 11,332.34 : x
  2. Step 2: Convert to fraction form
    19,715.84/27,206.70 = 11,332.34/x
  3. Step 3: Cross multiply
    19,715.84x = 27,206.70 × 11,332.34
  4. Step 4: Simplify right side
    19,715.84x = 308,315,574.68
  5. Step 5: Solve for x
    x = 308,315,574.68/19,715.84
  6. Step 6: Final answer
    x = 15,637.96

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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.