Home / 19,707.30-29,526.93-13,836.42

Finding the Fourth Proportional to 19,707.30, 29,526.93 and 13,836.42

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Solution

The fourth proportional to 19,707.30, 29,526.93 and 13,836.42 is: 20,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.30 : 29,526.93 = 13,836.42 : x
  2. Step 2: Convert to fraction form
    19,707.30/29,526.93 = 13,836.42/x
  3. Step 3: Cross multiply
    19,707.30x = 29,526.93 × 13,836.42
  4. Step 4: Simplify right side
    19,707.30x = 408,547,004.79
  5. Step 5: Solve for x
    x = 408,547,004.79/19,707.30
  6. Step 6: Final answer
    x = 20,730.74

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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.