Home / 19,812.83-27,341.57-10,860.89

Finding the Fourth Proportional to 19,812.83, 27,341.57 and 10,860.89

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Solution

The fourth proportional to 19,812.83, 27,341.57 and 10,860.89 is: 14,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.83 : 27,341.57 = 10,860.89 : x
  2. Step 2: Convert to fraction form
    19,812.83/27,341.57 = 10,860.89/x
  3. Step 3: Cross multiply
    19,812.83x = 27,341.57 × 10,860.89
  4. Step 4: Simplify right side
    19,812.83x = 296,953,674.64
  5. Step 5: Solve for x
    x = 296,953,674.64/19,812.83
  6. Step 6: Final answer
    x = 14,987.95

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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.