Home / 25,421.31-35,080.70-14,090.36

Finding the Fourth Proportional to 25,421.31, 35,080.70 and 14,090.36

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Solution

The fourth proportional to 25,421.31, 35,080.70 and 14,090.36 is: 19,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.31 : 35,080.70 = 14,090.36 : x
  2. Step 2: Convert to fraction form
    25,421.31/35,080.70 = 14,090.36/x
  3. Step 3: Cross multiply
    25,421.31x = 35,080.70 × 14,090.36
  4. Step 4: Simplify right side
    25,421.31x = 494,299,446.20
  5. Step 5: Solve for x
    x = 494,299,446.20/25,421.31
  6. Step 6: Final answer
    x = 19,444.29

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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.