Home / 21,563.08-32,344.61-9,702.99

Finding the Fourth Proportional to 21,563.08, 32,344.61 and 9,702.99

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Solution

The fourth proportional to 21,563.08, 32,344.61 and 9,702.99 is: 14,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.08 : 32,344.61 = 9,702.99 : x
  2. Step 2: Convert to fraction form
    21,563.08/32,344.61 = 9,702.99/x
  3. Step 3: Cross multiply
    21,563.08x = 32,344.61 × 9,702.99
  4. Step 4: Simplify right side
    21,563.08x = 313,839,378.87
  5. Step 5: Solve for x
    x = 313,839,378.87/21,563.08
  6. Step 6: Final answer
    x = 14,554.48

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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.