Home / 19,511.28-26,925.60-10,558.80

Finding the Fourth Proportional to 19,511.28, 26,925.60 and 10,558.80

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Solution

The fourth proportional to 19,511.28, 26,925.60 and 10,558.80 is: 14,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.28 : 26,925.60 = 10,558.80 : x
  2. Step 2: Convert to fraction form
    19,511.28/26,925.60 = 10,558.80/x
  3. Step 3: Cross multiply
    19,511.28x = 26,925.60 × 10,558.80
  4. Step 4: Simplify right side
    19,511.28x = 284,302,025.28
  5. Step 5: Solve for x
    x = 284,302,025.28/19,511.28
  6. Step 6: Final answer
    x = 14,571.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.