Home / 13,533.47-20,300.61-3,672.96

Finding the Fourth Proportional to 13,533.47, 20,300.61 and 3,672.96

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Solution

The fourth proportional to 13,533.47, 20,300.61 and 3,672.96 is: 5,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.47 : 20,300.61 = 3,672.96 : x
  2. Step 2: Convert to fraction form
    13,533.47/20,300.61 = 3,672.96/x
  3. Step 3: Cross multiply
    13,533.47x = 20,300.61 × 3,672.96
  4. Step 4: Simplify right side
    13,533.47x = 74,563,328.51
  5. Step 5: Solve for x
    x = 74,563,328.51/13,533.47
  6. Step 6: Final answer
    x = 5,509.55

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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.