Home / 35,632.78-53,454.63-13,445.66

Finding the Fourth Proportional to 35,632.78, 53,454.63 and 13,445.66

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Solution

The fourth proportional to 35,632.78, 53,454.63 and 13,445.66 is: 20,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.78 : 53,454.63 = 13,445.66 : x
  2. Step 2: Convert to fraction form
    35,632.78/53,454.63 = 13,445.66/x
  3. Step 3: Cross multiply
    35,632.78x = 53,454.63 × 13,445.66
  4. Step 4: Simplify right side
    35,632.78x = 718,732,964.46
  5. Step 5: Solve for x
    x = 718,732,964.46/35,632.78
  6. Step 6: Final answer
    x = 20,170.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.