Home / 19,302.71-26,641.88-11,751.53

Finding the Fourth Proportional to 19,302.71, 26,641.88 and 11,751.53

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Solution

The fourth proportional to 19,302.71, 26,641.88 and 11,751.53 is: 16,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.71 : 26,641.88 = 11,751.53 : x
  2. Step 2: Convert to fraction form
    19,302.71/26,641.88 = 11,751.53/x
  3. Step 3: Cross multiply
    19,302.71x = 26,641.88 × 11,751.53
  4. Step 4: Simplify right side
    19,302.71x = 313,082,660.11
  5. Step 5: Solve for x
    x = 313,082,660.11/19,302.71
  6. Step 6: Final answer
    x = 16,219.63

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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.