Home / 19,815.02-27,344.46-10,862.51

Finding the Fourth Proportional to 19,815.02, 27,344.46 and 10,862.51

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Solution

The fourth proportional to 19,815.02, 27,344.46 and 10,862.51 is: 14,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.02 : 27,344.46 = 10,862.51 : x
  2. Step 2: Convert to fraction form
    19,815.02/27,344.46 = 10,862.51/x
  3. Step 3: Cross multiply
    19,815.02x = 27,344.46 × 10,862.51
  4. Step 4: Simplify right side
    19,815.02x = 297,029,333.47
  5. Step 5: Solve for x
    x = 297,029,333.47/19,815.02
  6. Step 6: Final answer
    x = 14,990.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.