Home / 23,490.51-32,398.08-20,651.88

Finding the Fourth Proportional to 23,490.51, 32,398.08 and 20,651.88

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Solution

The fourth proportional to 23,490.51, 32,398.08 and 20,651.88 is: 28,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.51 : 32,398.08 = 20,651.88 : x
  2. Step 2: Convert to fraction form
    23,490.51/32,398.08 = 20,651.88/x
  3. Step 3: Cross multiply
    23,490.51x = 32,398.08 × 20,651.88
  4. Step 4: Simplify right side
    23,490.51x = 669,081,260.39
  5. Step 5: Solve for x
    x = 669,081,260.39/23,490.51
  6. Step 6: Final answer
    x = 28,483.05

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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.