Home / 15,983.40-22,063.72-10,013.72

Finding the Fourth Proportional to 15,983.40, 22,063.72 and 10,013.72

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Solution

The fourth proportional to 15,983.40, 22,063.72 and 10,013.72 is: 13,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.40 : 22,063.72 = 10,013.72 : x
  2. Step 2: Convert to fraction form
    15,983.40/22,063.72 = 10,013.72/x
  3. Step 3: Cross multiply
    15,983.40x = 22,063.72 × 10,013.72
  4. Step 4: Simplify right side
    15,983.40x = 220,939,914.24
  5. Step 5: Solve for x
    x = 220,939,914.24/15,983.40
  6. Step 6: Final answer
    x = 13,823.09

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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.