Home / 14,529.30-21,806.10-6,643.95

Finding the Fourth Proportional to 14,529.30, 21,806.10 and 6,643.95

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Solution

The fourth proportional to 14,529.30, 21,806.10 and 6,643.95 is: 9,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.30 : 21,806.10 = 6,643.95 : x
  2. Step 2: Convert to fraction form
    14,529.30/21,806.10 = 6,643.95/x
  3. Step 3: Cross multiply
    14,529.30x = 21,806.10 × 6,643.95
  4. Step 4: Simplify right side
    14,529.30x = 144,878,638.10
  5. Step 5: Solve for x
    x = 144,878,638.10/14,529.30
  6. Step 6: Final answer
    x = 9,971.48

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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.