Home / 51,568.02-77,352.09-14,128.42

Finding the Fourth Proportional to 51,568.02, 77,352.09 and 14,128.42

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Solution

The fourth proportional to 51,568.02, 77,352.09 and 14,128.42 is: 21,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,568.02 : 77,352.09 = 14,128.42 : x
  2. Step 2: Convert to fraction form
    51,568.02/77,352.09 = 14,128.42/x
  3. Step 3: Cross multiply
    51,568.02x = 77,352.09 × 14,128.42
  4. Step 4: Simplify right side
    51,568.02x = 1,092,862,815.40
  5. Step 5: Solve for x
    x = 1,092,862,815.40/51,568.02
  6. Step 6: Final answer
    x = 21,192.65

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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.