Home / 14,192.13-21,266.30-8,987.07

Finding the Fourth Proportional to 14,192.13, 21,266.30 and 8,987.07

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Solution

The fourth proportional to 14,192.13, 21,266.30 and 8,987.07 is: 13,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.13 : 21,266.30 = 8,987.07 : x
  2. Step 2: Convert to fraction form
    14,192.13/21,266.30 = 8,987.07/x
  3. Step 3: Cross multiply
    14,192.13x = 21,266.30 × 8,987.07
  4. Step 4: Simplify right side
    14,192.13x = 191,121,681.81
  5. Step 5: Solve for x
    x = 191,121,681.81/14,192.13
  6. Step 6: Final answer
    x = 13,466.74

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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.