Home / 13,483.62-20,228.22-4,123.08

Finding the Fourth Proportional to 13,483.62, 20,228.22 and 4,123.08

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Solution

The fourth proportional to 13,483.62, 20,228.22 and 4,123.08 is: 6,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.62 : 20,228.22 = 4,123.08 : x
  2. Step 2: Convert to fraction form
    13,483.62/20,228.22 = 4,123.08/x
  3. Step 3: Cross multiply
    13,483.62x = 20,228.22 × 4,123.08
  4. Step 4: Simplify right side
    13,483.62x = 83,402,569.32
  5. Step 5: Solve for x
    x = 83,402,569.32/13,483.62
  6. Step 6: Final answer
    x = 6,185.47

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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.