Home / 15,440.05-21,307.99-9,066.92

Finding the Fourth Proportional to 15,440.05, 21,307.99 and 9,066.92

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Solution

The fourth proportional to 15,440.05, 21,307.99 and 9,066.92 is: 12,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.05 : 21,307.99 = 9,066.92 : x
  2. Step 2: Convert to fraction form
    15,440.05/21,307.99 = 9,066.92/x
  3. Step 3: Cross multiply
    15,440.05x = 21,307.99 × 9,066.92
  4. Step 4: Simplify right side
    15,440.05x = 193,197,840.69
  5. Step 5: Solve for x
    x = 193,197,840.69/15,440.05
  6. Step 6: Final answer
    x = 12,512.77

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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.