Home / 14,506.02-21,761.64-4,647.78

Finding the Fourth Proportional to 14,506.02, 21,761.64 and 4,647.78

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Solution

The fourth proportional to 14,506.02, 21,761.64 and 4,647.78 is: 6,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.02 : 21,761.64 = 4,647.78 : x
  2. Step 2: Convert to fraction form
    14,506.02/21,761.64 = 4,647.78/x
  3. Step 3: Cross multiply
    14,506.02x = 21,761.64 × 4,647.78
  4. Step 4: Simplify right side
    14,506.02x = 101,143,315.16
  5. Step 5: Solve for x
    x = 101,143,315.16/14,506.02
  6. Step 6: Final answer
    x = 6,972.51

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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.