Home / 18,577.88-25,637.47-10,620.28

Finding the Fourth Proportional to 18,577.88, 25,637.47 and 10,620.28

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Solution

The fourth proportional to 18,577.88, 25,637.47 and 10,620.28 is: 14,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.88 : 25,637.47 = 10,620.28 : x
  2. Step 2: Convert to fraction form
    18,577.88/25,637.47 = 10,620.28/x
  3. Step 3: Cross multiply
    18,577.88x = 25,637.47 × 10,620.28
  4. Step 4: Simplify right side
    18,577.88x = 272,277,014.70
  5. Step 5: Solve for x
    x = 272,277,014.70/18,577.88
  6. Step 6: Final answer
    x = 14,655.98

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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.