Home / 29,399.15-40,570.14-15,970.10

Finding the Fourth Proportional to 29,399.15, 40,570.14 and 15,970.10

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Solution

The fourth proportional to 29,399.15, 40,570.14 and 15,970.10 is: 22,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.15 : 40,570.14 = 15,970.10 : x
  2. Step 2: Convert to fraction form
    29,399.15/40,570.14 = 15,970.10/x
  3. Step 3: Cross multiply
    29,399.15x = 40,570.14 × 15,970.10
  4. Step 4: Simplify right side
    29,399.15x = 647,909,112.96
  5. Step 5: Solve for x
    x = 647,909,112.96/29,399.15
  6. Step 6: Final answer
    x = 22,038.37

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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.