Home / 15,884.69-21,911.33-10,507.25

Finding the Fourth Proportional to 15,884.69, 21,911.33 and 10,507.25

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Solution

The fourth proportional to 15,884.69, 21,911.33 and 10,507.25 is: 14,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.69 : 21,911.33 = 10,507.25 : x
  2. Step 2: Convert to fraction form
    15,884.69/21,911.33 = 10,507.25/x
  3. Step 3: Cross multiply
    15,884.69x = 21,911.33 × 10,507.25
  4. Step 4: Simplify right side
    15,884.69x = 230,227,903.19
  5. Step 5: Solve for x
    x = 230,227,903.19/15,884.69
  6. Step 6: Final answer
    x = 14,493.70

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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.