Home / 25,420.60-35,079.51-14,090.59

Finding the Fourth Proportional to 25,420.60, 35,079.51 and 14,090.59

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Solution

The fourth proportional to 25,420.60, 35,079.51 and 14,090.59 is: 19,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.60 : 35,079.51 = 14,090.59 : x
  2. Step 2: Convert to fraction form
    25,420.60/35,079.51 = 14,090.59/x
  3. Step 3: Cross multiply
    25,420.60x = 35,079.51 × 14,090.59
  4. Step 4: Simplify right side
    25,420.60x = 494,290,992.81
  5. Step 5: Solve for x
    x = 494,290,992.81/25,420.60
  6. Step 6: Final answer
    x = 19,444.51

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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.