Home / 19,776.90-27,292.13-10,824.40

Finding the Fourth Proportional to 19,776.90, 27,292.13 and 10,824.40

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Solution

The fourth proportional to 19,776.90, 27,292.13 and 10,824.40 is: 14,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.90 : 27,292.13 = 10,824.40 : x
  2. Step 2: Convert to fraction form
    19,776.90/27,292.13 = 10,824.40/x
  3. Step 3: Cross multiply
    19,776.90x = 27,292.13 × 10,824.40
  4. Step 4: Simplify right side
    19,776.90x = 295,420,890.80
  5. Step 5: Solve for x
    x = 295,420,890.80/19,776.90
  6. Step 6: Final answer
    x = 14,937.67

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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.