Home / 15,813.02-23,722.95-8,416.40

Finding the Fourth Proportional to 15,813.02, 23,722.95 and 8,416.40

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Solution

The fourth proportional to 15,813.02, 23,722.95 and 8,416.40 is: 12,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.02 : 23,722.95 = 8,416.40 : x
  2. Step 2: Convert to fraction form
    15,813.02/23,722.95 = 8,416.40/x
  3. Step 3: Cross multiply
    15,813.02x = 23,722.95 × 8,416.40
  4. Step 4: Simplify right side
    15,813.02x = 199,661,836.38
  5. Step 5: Solve for x
    x = 199,661,836.38/15,813.02
  6. Step 6: Final answer
    x = 12,626.42

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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.