Home / 19,262.79-26,581.37-10,878.75

Finding the Fourth Proportional to 19,262.79, 26,581.37 and 10,878.75

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Solution

The fourth proportional to 19,262.79, 26,581.37 and 10,878.75 is: 15,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.79 : 26,581.37 = 10,878.75 : x
  2. Step 2: Convert to fraction form
    19,262.79/26,581.37 = 10,878.75/x
  3. Step 3: Cross multiply
    19,262.79x = 26,581.37 × 10,878.75
  4. Step 4: Simplify right side
    19,262.79x = 289,172,024.49
  5. Step 5: Solve for x
    x = 289,172,024.49/19,262.79
  6. Step 6: Final answer
    x = 15,011.95

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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.