Home / 19,570.14-29,359.80-6,423.30

Finding the Fourth Proportional to 19,570.14, 29,359.80 and 6,423.30

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Solution

The fourth proportional to 19,570.14, 29,359.80 and 6,423.30 is: 9,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.14 : 29,359.80 = 6,423.30 : x
  2. Step 2: Convert to fraction form
    19,570.14/29,359.80 = 6,423.30/x
  3. Step 3: Cross multiply
    19,570.14x = 29,359.80 × 6,423.30
  4. Step 4: Simplify right side
    19,570.14x = 188,586,803.34
  5. Step 5: Solve for x
    x = 188,586,803.34/19,570.14
  6. Step 6: Final answer
    x = 9,636.46

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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.