Home / 13,565.58-20,349.14-4,206.93

Finding the Fourth Proportional to 13,565.58, 20,349.14 and 4,206.93

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Solution

The fourth proportional to 13,565.58, 20,349.14 and 4,206.93 is: 6,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.58 : 20,349.14 = 4,206.93 : x
  2. Step 2: Convert to fraction form
    13,565.58/20,349.14 = 4,206.93/x
  3. Step 3: Cross multiply
    13,565.58x = 20,349.14 × 4,206.93
  4. Step 4: Simplify right side
    13,565.58x = 85,607,364.13
  5. Step 5: Solve for x
    x = 85,607,364.13/13,565.58
  6. Step 6: Final answer
    x = 6,310.63

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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.