Home / 19,847.90-27,389.34-10,895.18

Finding the Fourth Proportional to 19,847.90, 27,389.34 and 10,895.18

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Solution

The fourth proportional to 19,847.90, 27,389.34 and 10,895.18 is: 15,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.90 : 27,389.34 = 10,895.18 : x
  2. Step 2: Convert to fraction form
    19,847.90/27,389.34 = 10,895.18/x
  3. Step 3: Cross multiply
    19,847.90x = 27,389.34 × 10,895.18
  4. Step 4: Simplify right side
    19,847.90x = 298,411,652.43
  5. Step 5: Solve for x
    x = 298,411,652.43/19,847.90
  6. Step 6: Final answer
    x = 15,034.92

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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.