Home / 70,553.16-105,828.12-17,962.70

Finding the Fourth Proportional to 70,553.16, 105,828.12 and 17,962.70

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Solution

The fourth proportional to 70,553.16, 105,828.12 and 17,962.70 is: 26,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.16 : 105,828.12 = 17,962.70 : x
  2. Step 2: Convert to fraction form
    70,553.16/105,828.12 = 17,962.70/x
  3. Step 3: Cross multiply
    70,553.16x = 105,828.12 × 17,962.70
  4. Step 4: Simplify right side
    70,553.16x = 1,900,958,771.12
  5. Step 5: Solve for x
    x = 1,900,958,771.12/70,553.16
  6. Step 6: Final answer
    x = 26,943.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.