Home / 22,312.26-30,783.24-15,605.46

Finding the Fourth Proportional to 22,312.26, 30,783.24 and 15,605.46

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Solution

The fourth proportional to 22,312.26, 30,783.24 and 15,605.46 is: 21,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.26 : 30,783.24 = 15,605.46 : x
  2. Step 2: Convert to fraction form
    22,312.26/30,783.24 = 15,605.46/x
  3. Step 3: Cross multiply
    22,312.26x = 30,783.24 × 15,605.46
  4. Step 4: Simplify right side
    22,312.26x = 480,386,620.49
  5. Step 5: Solve for x
    x = 480,386,620.49/22,312.26
  6. Step 6: Final answer
    x = 21,530.16

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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.