Home / 19,096.20-26,360.10-12,389.40

Finding the Fourth Proportional to 19,096.20, 26,360.10 and 12,389.40

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Solution

The fourth proportional to 19,096.20, 26,360.10 and 12,389.40 is: 17,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,096.20 : 26,360.10 = 12,389.40 : x
  2. Step 2: Convert to fraction form
    19,096.20/26,360.10 = 12,389.40/x
  3. Step 3: Cross multiply
    19,096.20x = 26,360.10 × 12,389.40
  4. Step 4: Simplify right side
    19,096.20x = 326,585,822.94
  5. Step 5: Solve for x
    x = 326,585,822.94/19,096.20
  6. Step 6: Final answer
    x = 17,102.14

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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.