Home / 15,807.06-21,818.29-10,433.42

Finding the Fourth Proportional to 15,807.06, 21,818.29 and 10,433.42

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Solution

The fourth proportional to 15,807.06, 21,818.29 and 10,433.42 is: 14,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.06 : 21,818.29 = 10,433.42 : x
  2. Step 2: Convert to fraction form
    15,807.06/21,818.29 = 10,433.42/x
  3. Step 3: Cross multiply
    15,807.06x = 21,818.29 × 10,433.42
  4. Step 4: Simplify right side
    15,807.06x = 227,639,440.17
  5. Step 5: Solve for x
    x = 227,639,440.17/15,807.06
  6. Step 6: Final answer
    x = 14,401.12

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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.