Home / 18,853.75-26,018.99-10,470.25

Finding the Fourth Proportional to 18,853.75, 26,018.99 and 10,470.25

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Solution

The fourth proportional to 18,853.75, 26,018.99 and 10,470.25 is: 14,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.75 : 26,018.99 = 10,470.25 : x
  2. Step 2: Convert to fraction form
    18,853.75/26,018.99 = 10,470.25/x
  3. Step 3: Cross multiply
    18,853.75x = 26,018.99 × 10,470.25
  4. Step 4: Simplify right side
    18,853.75x = 272,425,330.05
  5. Step 5: Solve for x
    x = 272,425,330.05/18,853.75
  6. Step 6: Final answer
    x = 14,449.40

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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.