Home / 14,272.28-19,700.26-9,802.30

Finding the Fourth Proportional to 14,272.28, 19,700.26 and 9,802.30

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Solution

The fourth proportional to 14,272.28, 19,700.26 and 9,802.30 is: 13,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.28 : 19,700.26 = 9,802.30 : x
  2. Step 2: Convert to fraction form
    14,272.28/19,700.26 = 9,802.30/x
  3. Step 3: Cross multiply
    14,272.28x = 19,700.26 × 9,802.30
  4. Step 4: Simplify right side
    14,272.28x = 193,107,858.60
  5. Step 5: Solve for x
    x = 193,107,858.60/14,272.28
  6. Step 6: Final answer
    x = 13,530.27

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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.