Home / 15,813.36-23,720.04-6,937.38

Finding the Fourth Proportional to 15,813.36, 23,720.04 and 6,937.38

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Solution

The fourth proportional to 15,813.36, 23,720.04 and 6,937.38 is: 10,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.36 : 23,720.04 = 6,937.38 : x
  2. Step 2: Convert to fraction form
    15,813.36/23,720.04 = 6,937.38/x
  3. Step 3: Cross multiply
    15,813.36x = 23,720.04 × 6,937.38
  4. Step 4: Simplify right side
    15,813.36x = 164,554,931.10
  5. Step 5: Solve for x
    x = 164,554,931.10/15,813.36
  6. Step 6: Final answer
    x = 10,406.07

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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.