Home / 15,535.56-21,443.76-14,741.94

Finding the Fourth Proportional to 15,535.56, 21,443.76 and 14,741.94

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Solution

The fourth proportional to 15,535.56, 21,443.76 and 14,741.94 is: 20,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.56 : 21,443.76 = 14,741.94 : x
  2. Step 2: Convert to fraction form
    15,535.56/21,443.76 = 14,741.94/x
  3. Step 3: Cross multiply
    15,535.56x = 21,443.76 × 14,741.94
  4. Step 4: Simplify right side
    15,535.56x = 316,122,623.29
  5. Step 5: Solve for x
    x = 316,122,623.29/15,535.56
  6. Step 6: Final answer
    x = 20,348.32

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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.