Home / 23,412.48-35,088.53-20,398.30

Finding the Fourth Proportional to 23,412.48, 35,088.53 and 20,398.30

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Solution

The fourth proportional to 23,412.48, 35,088.53 and 20,398.30 is: 30,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,412.48 : 35,088.53 = 20,398.30 : x
  2. Step 2: Convert to fraction form
    23,412.48/35,088.53 = 20,398.30/x
  3. Step 3: Cross multiply
    23,412.48x = 35,088.53 × 20,398.30
  4. Step 4: Simplify right side
    23,412.48x = 715,746,171.79
  5. Step 5: Solve for x
    x = 715,746,171.79/23,412.48
  6. Step 6: Final answer
    x = 30,571.14

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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.