Home / 14,276.48-19,701.58-7,903.51

Finding the Fourth Proportional to 14,276.48, 19,701.58 and 7,903.51

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Solution

The fourth proportional to 14,276.48, 19,701.58 and 7,903.51 is: 10,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.48 : 19,701.58 = 7,903.51 : x
  2. Step 2: Convert to fraction form
    14,276.48/19,701.58 = 7,903.51/x
  3. Step 3: Cross multiply
    14,276.48x = 19,701.58 × 7,903.51
  4. Step 4: Simplify right side
    14,276.48x = 155,711,634.55
  5. Step 5: Solve for x
    x = 155,711,634.55/14,276.48
  6. Step 6: Final answer
    x = 10,906.86

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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.