Home / 13,588.04-20,384.22-6,663.08

Finding the Fourth Proportional to 13,588.04, 20,384.22 and 6,663.08

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Solution

The fourth proportional to 13,588.04, 20,384.22 and 6,663.08 is: 9,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.04 : 20,384.22 = 6,663.08 : x
  2. Step 2: Convert to fraction form
    13,588.04/20,384.22 = 6,663.08/x
  3. Step 3: Cross multiply
    13,588.04x = 20,384.22 × 6,663.08
  4. Step 4: Simplify right side
    13,588.04x = 135,821,688.60
  5. Step 5: Solve for x
    x = 135,821,688.60/13,588.04
  6. Step 6: Final answer
    x = 9,995.68

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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.