Home / 15,503.92-21,383.48-10,460.08

Finding the Fourth Proportional to 15,503.92, 21,383.48 and 10,460.08

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Solution

The fourth proportional to 15,503.92, 21,383.48 and 10,460.08 is: 14,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.92 : 21,383.48 = 10,460.08 : x
  2. Step 2: Convert to fraction form
    15,503.92/21,383.48 = 10,460.08/x
  3. Step 3: Cross multiply
    15,503.92x = 21,383.48 × 10,460.08
  4. Step 4: Simplify right side
    15,503.92x = 223,672,911.48
  5. Step 5: Solve for x
    x = 223,672,911.48/15,503.92
  6. Step 6: Final answer
    x = 14,426.86

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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.