Home / 15,426.09-23,139.23-5,558.43

Finding the Fourth Proportional to 15,426.09, 23,139.23 and 5,558.43

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Solution

The fourth proportional to 15,426.09, 23,139.23 and 5,558.43 is: 8,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.09 : 23,139.23 = 5,558.43 : x
  2. Step 2: Convert to fraction form
    15,426.09/23,139.23 = 5,558.43/x
  3. Step 3: Cross multiply
    15,426.09x = 23,139.23 × 5,558.43
  4. Step 4: Simplify right side
    15,426.09x = 128,617,762.42
  5. Step 5: Solve for x
    x = 128,617,762.42/15,426.09
  6. Step 6: Final answer
    x = 8,337.68

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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.