Home / 12,355.13-18,530.72-4,035.07

Finding the Fourth Proportional to 12,355.13, 18,530.72 and 4,035.07

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Solution

The fourth proportional to 12,355.13, 18,530.72 and 4,035.07 is: 6,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.13 : 18,530.72 = 4,035.07 : x
  2. Step 2: Convert to fraction form
    12,355.13/18,530.72 = 4,035.07/x
  3. Step 3: Cross multiply
    12,355.13x = 18,530.72 × 4,035.07
  4. Step 4: Simplify right side
    12,355.13x = 74,772,806.20
  5. Step 5: Solve for x
    x = 74,772,806.20/12,355.13
  6. Step 6: Final answer
    x = 6,051.97

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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.