Home / 14,214.02-19,615.38-7,926.80

Finding the Fourth Proportional to 14,214.02, 19,615.38 and 7,926.80

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Solution

The fourth proportional to 14,214.02, 19,615.38 and 7,926.80 is: 10,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.02 : 19,615.38 = 7,926.80 : x
  2. Step 2: Convert to fraction form
    14,214.02/19,615.38 = 7,926.80/x
  3. Step 3: Cross multiply
    14,214.02x = 19,615.38 × 7,926.80
  4. Step 4: Simplify right side
    14,214.02x = 155,487,194.18
  5. Step 5: Solve for x
    x = 155,487,194.18/14,214.02
  6. Step 6: Final answer
    x = 10,939.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.