Home / 13,271.04-19,989.99-11,237.13

Finding the Fourth Proportional to 13,271.04, 19,989.99 and 11,237.13

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Solution

The fourth proportional to 13,271.04, 19,989.99 and 11,237.13 is: 16,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.04 : 19,989.99 = 11,237.13 : x
  2. Step 2: Convert to fraction form
    13,271.04/19,989.99 = 11,237.13/x
  3. Step 3: Cross multiply
    13,271.04x = 19,989.99 × 11,237.13
  4. Step 4: Simplify right side
    13,271.04x = 224,630,116.33
  5. Step 5: Solve for x
    x = 224,630,116.33/13,271.04
  6. Step 6: Final answer
    x = 16,926.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.