Home / 14,353.02-19,807.68-7,979.94

Finding the Fourth Proportional to 14,353.02, 19,807.68 and 7,979.94

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Solution

The fourth proportional to 14,353.02, 19,807.68 and 7,979.94 is: 11,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.02 : 19,807.68 = 7,979.94 : x
  2. Step 2: Convert to fraction form
    14,353.02/19,807.68 = 7,979.94/x
  3. Step 3: Cross multiply
    14,353.02x = 19,807.68 × 7,979.94
  4. Step 4: Simplify right side
    14,353.02x = 158,064,097.94
  5. Step 5: Solve for x
    x = 158,064,097.94/14,353.02
  6. Step 6: Final answer
    x = 11,012.60

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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.