Home / 12,419.08-18,623.15-6,574.32

Finding the Fourth Proportional to 12,419.08, 18,623.15 and 6,574.32

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Solution

The fourth proportional to 12,419.08, 18,623.15 and 6,574.32 is: 9,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419.08 : 18,623.15 = 6,574.32 : x
  2. Step 2: Convert to fraction form
    12,419.08/18,623.15 = 6,574.32/x
  3. Step 3: Cross multiply
    12,419.08x = 18,623.15 × 6,574.32
  4. Step 4: Simplify right side
    12,419.08x = 122,434,539.29
  5. Step 5: Solve for x
    x = 122,434,539.29/12,419.08
  6. Step 6: Final answer
    x = 9,858.59

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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.