Home / 19,426.35-29,145.64-6,946.08

Finding the Fourth Proportional to 19,426.35, 29,145.64 and 6,946.08

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Solution

The fourth proportional to 19,426.35, 29,145.64 and 6,946.08 is: 10,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.35 : 29,145.64 = 6,946.08 : x
  2. Step 2: Convert to fraction form
    19,426.35/29,145.64 = 6,946.08/x
  3. Step 3: Cross multiply
    19,426.35x = 29,145.64 × 6,946.08
  4. Step 4: Simplify right side
    19,426.35x = 202,447,947.09
  5. Step 5: Solve for x
    x = 202,447,947.09/19,426.35
  6. Step 6: Final answer
    x = 10,421.31

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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.