Home / 19,682.90-29,533.02-10,320.68

Finding the Fourth Proportional to 19,682.90, 29,533.02 and 10,320.68

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Solution

The fourth proportional to 19,682.90, 29,533.02 and 10,320.68 is: 15,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.90 : 29,533.02 = 10,320.68 : x
  2. Step 2: Convert to fraction form
    19,682.90/29,533.02 = 10,320.68/x
  3. Step 3: Cross multiply
    19,682.90x = 29,533.02 × 10,320.68
  4. Step 4: Simplify right side
    19,682.90x = 304,800,701.19
  5. Step 5: Solve for x
    x = 304,800,701.19/19,682.90
  6. Step 6: Final answer
    x = 15,485.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.