Home / 42,924.07-64,384.89-11,759.32

Finding the Fourth Proportional to 42,924.07, 64,384.89 and 11,759.32

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Solution

The fourth proportional to 42,924.07, 64,384.89 and 11,759.32 is: 17,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,924.07 : 64,384.89 = 11,759.32 : x
  2. Step 2: Convert to fraction form
    42,924.07/64,384.89 = 11,759.32/x
  3. Step 3: Cross multiply
    42,924.07x = 64,384.89 × 11,759.32
  4. Step 4: Simplify right side
    42,924.07x = 757,122,524.67
  5. Step 5: Solve for x
    x = 757,122,524.67/42,924.07
  6. Step 6: Final answer
    x = 17,638.65

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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.