Home / 19,606.04-29,401.70-7,122.98

Finding the Fourth Proportional to 19,606.04, 29,401.70 and 7,122.98

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Solution

The fourth proportional to 19,606.04, 29,401.70 and 7,122.98 is: 10,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.04 : 29,401.70 = 7,122.98 : x
  2. Step 2: Convert to fraction form
    19,606.04/29,401.70 = 7,122.98/x
  3. Step 3: Cross multiply
    19,606.04x = 29,401.70 × 7,122.98
  4. Step 4: Simplify right side
    19,606.04x = 209,427,721.07
  5. Step 5: Solve for x
    x = 209,427,721.07/19,606.04
  6. Step 6: Final answer
    x = 10,681.80

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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.