Home / 18,274.02-25,218.23-9,890.52

Finding the Fourth Proportional to 18,274.02, 25,218.23 and 9,890.52

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Solution

The fourth proportional to 18,274.02, 25,218.23 and 9,890.52 is: 13,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.02 : 25,218.23 = 9,890.52 : x
  2. Step 2: Convert to fraction form
    18,274.02/25,218.23 = 9,890.52/x
  3. Step 3: Cross multiply
    18,274.02x = 25,218.23 × 9,890.52
  4. Step 4: Simplify right side
    18,274.02x = 249,421,358.73
  5. Step 5: Solve for x
    x = 249,421,358.73/18,274.02
  6. Step 6: Final answer
    x = 13,648.96

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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.