Home / 13,887.02-19,164.12-7,599.80

Finding the Fourth Proportional to 13,887.02, 19,164.12 and 7,599.80

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Solution

The fourth proportional to 13,887.02, 19,164.12 and 7,599.80 is: 10,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.02 : 19,164.12 = 7,599.80 : x
  2. Step 2: Convert to fraction form
    13,887.02/19,164.12 = 7,599.80/x
  3. Step 3: Cross multiply
    13,887.02x = 19,164.12 × 7,599.80
  4. Step 4: Simplify right side
    13,887.02x = 145,643,479.18
  5. Step 5: Solve for x
    x = 145,643,479.18/13,887.02
  6. Step 6: Final answer
    x = 10,487.74

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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.