Home / 19,823.25-27,353.57-10,868.40

Finding the Fourth Proportional to 19,823.25, 27,353.57 and 10,868.40

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Solution

The fourth proportional to 19,823.25, 27,353.57 and 10,868.40 is: 14,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.25 : 27,353.57 = 10,868.40 : x
  2. Step 2: Convert to fraction form
    19,823.25/27,353.57 = 10,868.40/x
  3. Step 3: Cross multiply
    19,823.25x = 27,353.57 × 10,868.40
  4. Step 4: Simplify right side
    19,823.25x = 297,289,444.40
  5. Step 5: Solve for x
    x = 297,289,444.40/19,823.25
  6. Step 6: Final answer
    x = 14,997.01

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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.