Home / 13,767.04-20,656.32-5,982.40

Finding the Fourth Proportional to 13,767.04, 20,656.32 and 5,982.40

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Solution

The fourth proportional to 13,767.04, 20,656.32 and 5,982.40 is: 8,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.04 : 20,656.32 = 5,982.40 : x
  2. Step 2: Convert to fraction form
    13,767.04/20,656.32 = 5,982.40/x
  3. Step 3: Cross multiply
    13,767.04x = 20,656.32 × 5,982.40
  4. Step 4: Simplify right side
    13,767.04x = 123,574,368.77
  5. Step 5: Solve for x
    x = 123,574,368.77/13,767.04
  6. Step 6: Final answer
    x = 8,976.10

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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.