Home / 12,365.44-18,549.31-4,045.51

Finding the Fourth Proportional to 12,365.44, 18,549.31 and 4,045.51

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Solution

The fourth proportional to 12,365.44, 18,549.31 and 4,045.51 is: 6,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.44 : 18,549.31 = 4,045.51 : x
  2. Step 2: Convert to fraction form
    12,365.44/18,549.31 = 4,045.51/x
  3. Step 3: Cross multiply
    12,365.44x = 18,549.31 × 4,045.51
  4. Step 4: Simplify right side
    12,365.44x = 75,041,419.10
  5. Step 5: Solve for x
    x = 75,041,419.10/12,365.44
  6. Step 6: Final answer
    x = 6,068.64

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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.