Home / 14,988.02-20,684.16-8,274.60

Finding the Fourth Proportional to 14,988.02, 20,684.16 and 8,274.60

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Solution

The fourth proportional to 14,988.02, 20,684.16 and 8,274.60 is: 11,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.02 : 20,684.16 = 8,274.60 : x
  2. Step 2: Convert to fraction form
    14,988.02/20,684.16 = 8,274.60/x
  3. Step 3: Cross multiply
    14,988.02x = 20,684.16 × 8,274.60
  4. Step 4: Simplify right side
    14,988.02x = 171,153,150.34
  5. Step 5: Solve for x
    x = 171,153,150.34/14,988.02
  6. Step 6: Final answer
    x = 11,419.33

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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.