Home / 13,225.04-19,802.01-6,972.05

Finding the Fourth Proportional to 13,225.04, 19,802.01 and 6,972.05

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Solution

The fourth proportional to 13,225.04, 19,802.01 and 6,972.05 is: 10,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.04 : 19,802.01 = 6,972.05 : x
  2. Step 2: Convert to fraction form
    13,225.04/19,802.01 = 6,972.05/x
  3. Step 3: Cross multiply
    13,225.04x = 19,802.01 × 6,972.05
  4. Step 4: Simplify right side
    13,225.04x = 138,060,603.82
  5. Step 5: Solve for x
    x = 138,060,603.82/13,225.04
  6. Step 6: Final answer
    x = 10,439.33

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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.