Home / 13,370.65-20,055.55-6,355.71

Finding the Fourth Proportional to 13,370.65, 20,055.55 and 6,355.71

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Solution

The fourth proportional to 13,370.65, 20,055.55 and 6,355.71 is: 9,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.65 : 20,055.55 = 6,355.71 : x
  2. Step 2: Convert to fraction form
    13,370.65/20,055.55 = 6,355.71/x
  3. Step 3: Cross multiply
    13,370.65x = 20,055.55 × 6,355.71
  4. Step 4: Simplify right side
    13,370.65x = 127,467,259.69
  5. Step 5: Solve for x
    x = 127,467,259.69/13,370.65
  6. Step 6: Final answer
    x = 9,533.36

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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.