Home / 29,398.86-40,570.25-15,970.01

Finding the Fourth Proportional to 29,398.86, 40,570.25 and 15,970.01

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Solution

The fourth proportional to 29,398.86, 40,570.25 and 15,970.01 is: 22,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,398.86 : 40,570.25 = 15,970.01 : x
  2. Step 2: Convert to fraction form
    29,398.86/40,570.25 = 15,970.01/x
  3. Step 3: Cross multiply
    29,398.86x = 40,570.25 × 15,970.01
  4. Step 4: Simplify right side
    29,398.86x = 647,907,015.50
  5. Step 5: Solve for x
    x = 647,907,015.50/29,398.86
  6. Step 6: Final answer
    x = 22,038.51

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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.