Home / 19,048.50-26,286.93-10,665.18

Finding the Fourth Proportional to 19,048.50, 26,286.93 and 10,665.18

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Solution

The fourth proportional to 19,048.50, 26,286.93 and 10,665.18 is: 14,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.50 : 26,286.93 = 10,665.18 : x
  2. Step 2: Convert to fraction form
    19,048.50/26,286.93 = 10,665.18/x
  3. Step 3: Cross multiply
    19,048.50x = 26,286.93 × 10,665.18
  4. Step 4: Simplify right side
    19,048.50x = 280,354,840.10
  5. Step 5: Solve for x
    x = 280,354,840.10/19,048.50
  6. Step 6: Final answer
    x = 14,717.95

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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.