Home / 13,355.86-20,029.06-4,588.72

Finding the Fourth Proportional to 13,355.86, 20,029.06 and 4,588.72

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Solution

The fourth proportional to 13,355.86, 20,029.06 and 4,588.72 is: 6,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.86 : 20,029.06 = 4,588.72 : x
  2. Step 2: Convert to fraction form
    13,355.86/20,029.06 = 4,588.72/x
  3. Step 3: Cross multiply
    13,355.86x = 20,029.06 × 4,588.72
  4. Step 4: Simplify right side
    13,355.86x = 91,907,748.20
  5. Step 5: Solve for x
    x = 91,907,748.20/13,355.86
  6. Step 6: Final answer
    x = 6,881.45

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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.