Home / 21,748.10-32,617.11-10,643.63

Finding the Fourth Proportional to 21,748.10, 32,617.11 and 10,643.63

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Solution

The fourth proportional to 21,748.10, 32,617.11 and 10,643.63 is: 15,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.10 : 32,617.11 = 10,643.63 : x
  2. Step 2: Convert to fraction form
    21,748.10/32,617.11 = 10,643.63/x
  3. Step 3: Cross multiply
    21,748.10x = 32,617.11 × 10,643.63
  4. Step 4: Simplify right side
    21,748.10x = 347,164,450.51
  5. Step 5: Solve for x
    x = 347,164,450.51/21,748.10
  6. Step 6: Final answer
    x = 15,962.98

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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.