Home / 14,192.38-21,266.67-8,987.32

Finding the Fourth Proportional to 14,192.38, 21,266.67 and 8,987.32

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Solution

The fourth proportional to 14,192.38, 21,266.67 and 8,987.32 is: 13,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.38 : 21,266.67 = 8,987.32 : x
  2. Step 2: Convert to fraction form
    14,192.38/21,266.67 = 8,987.32/x
  3. Step 3: Cross multiply
    14,192.38x = 21,266.67 × 8,987.32
  4. Step 4: Simplify right side
    14,192.38x = 191,130,368.62
  5. Step 5: Solve for x
    x = 191,130,368.62/14,192.38
  6. Step 6: Final answer
    x = 13,467.11

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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.