Home / 19,018.17-26,244.90-10,520.46

Finding the Fourth Proportional to 19,018.17, 26,244.90 and 10,520.46

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Solution

The fourth proportional to 19,018.17, 26,244.90 and 10,520.46 is: 14,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.17 : 26,244.90 = 10,520.46 : x
  2. Step 2: Convert to fraction form
    19,018.17/26,244.90 = 10,520.46/x
  3. Step 3: Cross multiply
    19,018.17x = 26,244.90 × 10,520.46
  4. Step 4: Simplify right side
    19,018.17x = 276,108,420.65
  5. Step 5: Solve for x
    x = 276,108,420.65/19,018.17
  6. Step 6: Final answer
    x = 14,518.14

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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.