Home / 15,784.99-23,673.39-4,689.07

Finding the Fourth Proportional to 15,784.99, 23,673.39 and 4,689.07

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Solution

The fourth proportional to 15,784.99, 23,673.39 and 4,689.07 is: 7,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.99 : 23,673.39 = 4,689.07 : x
  2. Step 2: Convert to fraction form
    15,784.99/23,673.39 = 4,689.07/x
  3. Step 3: Cross multiply
    15,784.99x = 23,673.39 × 4,689.07
  4. Step 4: Simplify right side
    15,784.99x = 111,006,182.85
  5. Step 5: Solve for x
    x = 111,006,182.85/15,784.99
  6. Step 6: Final answer
    x = 7,032.39

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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.