Home / 15,836.07-21,857.43-10,459.57

Finding the Fourth Proportional to 15,836.07, 21,857.43 and 10,459.57

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Solution

The fourth proportional to 15,836.07, 21,857.43 and 10,459.57 is: 14,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.07 : 21,857.43 = 10,459.57 : x
  2. Step 2: Convert to fraction form
    15,836.07/21,857.43 = 10,459.57/x
  3. Step 3: Cross multiply
    15,836.07x = 21,857.43 × 10,459.57
  4. Step 4: Simplify right side
    15,836.07x = 228,619,319.11
  5. Step 5: Solve for x
    x = 228,619,319.11/15,836.07
  6. Step 6: Final answer
    x = 14,436.62

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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.