Home / 20,618.48-30,925.96-6,577.94

Finding the Fourth Proportional to 20,618.48, 30,925.96 and 6,577.94

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Solution

The fourth proportional to 20,618.48, 30,925.96 and 6,577.94 is: 9,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618.48 : 30,925.96 = 6,577.94 : x
  2. Step 2: Convert to fraction form
    20,618.48/30,925.96 = 6,577.94/x
  3. Step 3: Cross multiply
    20,618.48x = 30,925.96 × 6,577.94
  4. Step 4: Simplify right side
    20,618.48x = 203,429,109.32
  5. Step 5: Solve for x
    x = 203,429,109.32/20,618.48
  6. Step 6: Final answer
    x = 9,866.35

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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.