Home / 15,534.58-21,430.90-10,496.96

Finding the Fourth Proportional to 15,534.58, 21,430.90 and 10,496.96

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Solution

The fourth proportional to 15,534.58, 21,430.90 and 10,496.96 is: 14,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.58 : 21,430.90 = 10,496.96 : x
  2. Step 2: Convert to fraction form
    15,534.58/21,430.90 = 10,496.96/x
  3. Step 3: Cross multiply
    15,534.58x = 21,430.90 × 10,496.96
  4. Step 4: Simplify right side
    15,534.58x = 224,959,273.82
  5. Step 5: Solve for x
    x = 224,959,273.82/15,534.58
  6. Step 6: Final answer
    x = 14,481.19

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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.