Home / 25,985.31-35,851.23-15,903.24

Finding the Fourth Proportional to 25,985.31, 35,851.23 and 15,903.24

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Solution

The fourth proportional to 25,985.31, 35,851.23 and 15,903.24 is: 21,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.31 : 35,851.23 = 15,903.24 : x
  2. Step 2: Convert to fraction form
    25,985.31/35,851.23 = 15,903.24/x
  3. Step 3: Cross multiply
    25,985.31x = 35,851.23 × 15,903.24
  4. Step 4: Simplify right side
    25,985.31x = 570,150,714.99
  5. Step 5: Solve for x
    x = 570,150,714.99/25,985.31
  6. Step 6: Final answer
    x = 21,941.27

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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.