Home / 13,730.32-20,595.52-3,342.08

Finding the Fourth Proportional to 13,730.32, 20,595.52 and 3,342.08

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Solution

The fourth proportional to 13,730.32, 20,595.52 and 3,342.08 is: 5,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.32 : 20,595.52 = 3,342.08 : x
  2. Step 2: Convert to fraction form
    13,730.32/20,595.52 = 3,342.08/x
  3. Step 3: Cross multiply
    13,730.32x = 20,595.52 × 3,342.08
  4. Step 4: Simplify right side
    13,730.32x = 68,831,875.48
  5. Step 5: Solve for x
    x = 68,831,875.48/13,730.32
  6. Step 6: Final answer
    x = 5,013.13

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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.