Home / 15,460.67-21,332.13-10,434.22

Finding the Fourth Proportional to 15,460.67, 21,332.13 and 10,434.22

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Solution

The fourth proportional to 15,460.67, 21,332.13 and 10,434.22 is: 14,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.67 : 21,332.13 = 10,434.22 : x
  2. Step 2: Convert to fraction form
    15,460.67/21,332.13 = 10,434.22/x
  3. Step 3: Cross multiply
    15,460.67x = 21,332.13 × 10,434.22
  4. Step 4: Simplify right side
    15,460.67x = 222,584,137.49
  5. Step 5: Solve for x
    x = 222,584,137.49/15,460.67
  6. Step 6: Final answer
    x = 14,396.80

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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.