Home / 15,641.31-23,403.10-10,970.43

Finding the Fourth Proportional to 15,641.31, 23,403.10 and 10,970.43

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Solution

The fourth proportional to 15,641.31, 23,403.10 and 10,970.43 is: 16,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.31 : 23,403.10 = 10,970.43 : x
  2. Step 2: Convert to fraction form
    15,641.31/23,403.10 = 10,970.43/x
  3. Step 3: Cross multiply
    15,641.31x = 23,403.10 × 10,970.43
  4. Step 4: Simplify right side
    15,641.31x = 256,742,070.33
  5. Step 5: Solve for x
    x = 256,742,070.33/15,641.31
  6. Step 6: Final answer
    x = 16,414.36

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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.