Home / 13,655.77-20,484.06-5,335.45

Finding the Fourth Proportional to 13,655.77, 20,484.06 and 5,335.45

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Solution

The fourth proportional to 13,655.77, 20,484.06 and 5,335.45 is: 8,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.77 : 20,484.06 = 5,335.45 : x
  2. Step 2: Convert to fraction form
    13,655.77/20,484.06 = 5,335.45/x
  3. Step 3: Cross multiply
    13,655.77x = 20,484.06 × 5,335.45
  4. Step 4: Simplify right side
    13,655.77x = 109,291,677.93
  5. Step 5: Solve for x
    x = 109,291,677.93/13,655.77
  6. Step 6: Final answer
    x = 8,003.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.