Home / 16,473.48-24,724.80-13,178.40

Finding the Fourth Proportional to 16,473.48, 24,724.80 and 13,178.40

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Solution

The fourth proportional to 16,473.48, 24,724.80 and 13,178.40 is: 19,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.48 : 24,724.80 = 13,178.40 : x
  2. Step 2: Convert to fraction form
    16,473.48/24,724.80 = 13,178.40/x
  3. Step 3: Cross multiply
    16,473.48x = 24,724.80 × 13,178.40
  4. Step 4: Simplify right side
    16,473.48x = 325,833,304.32
  5. Step 5: Solve for x
    x = 325,833,304.32/16,473.48
  6. Step 6: Final answer
    x = 19,779.26

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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.