Home / 14,510.02-21,767.64-4,651.78

Finding the Fourth Proportional to 14,510.02, 21,767.64 and 4,651.78

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Solution

The fourth proportional to 14,510.02, 21,767.64 and 4,651.78 is: 6,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.02 : 21,767.64 = 4,651.78 : x
  2. Step 2: Convert to fraction form
    14,510.02/21,767.64 = 4,651.78/x
  3. Step 3: Cross multiply
    14,510.02x = 21,767.64 × 4,651.78
  4. Step 4: Simplify right side
    14,510.02x = 101,258,272.40
  5. Step 5: Solve for x
    x = 101,258,272.40/14,510.02
  6. Step 6: Final answer
    x = 6,978.51

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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.