Home / 19,389.19-29,083.93-10,619.32

Finding the Fourth Proportional to 19,389.19, 29,083.93 and 10,619.32

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Solution

The fourth proportional to 19,389.19, 29,083.93 and 10,619.32 is: 15,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.19 : 29,083.93 = 10,619.32 : x
  2. Step 2: Convert to fraction form
    19,389.19/29,083.93 = 10,619.32/x
  3. Step 3: Cross multiply
    19,389.19x = 29,083.93 × 10,619.32
  4. Step 4: Simplify right side
    19,389.19x = 308,851,414.11
  5. Step 5: Solve for x
    x = 308,851,414.11/19,389.19
  6. Step 6: Final answer
    x = 15,929.06

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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.