Home / 25,662.39-35,415.54-18,111.18

Finding the Fourth Proportional to 25,662.39, 35,415.54 and 18,111.18

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Solution

The fourth proportional to 25,662.39, 35,415.54 and 18,111.18 is: 24,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.39 : 35,415.54 = 18,111.18 : x
  2. Step 2: Convert to fraction form
    25,662.39/35,415.54 = 18,111.18/x
  3. Step 3: Cross multiply
    25,662.39x = 35,415.54 × 18,111.18
  4. Step 4: Simplify right side
    25,662.39x = 641,417,219.74
  5. Step 5: Solve for x
    x = 641,417,219.74/25,662.39
  6. Step 6: Final answer
    x = 24,994.45

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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.