Home / 28,342.71-42,482.93-11,693.66

Finding the Fourth Proportional to 28,342.71, 42,482.93 and 11,693.66

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Solution

The fourth proportional to 28,342.71, 42,482.93 and 11,693.66 is: 17,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342.71 : 42,482.93 = 11,693.66 : x
  2. Step 2: Convert to fraction form
    28,342.71/42,482.93 = 11,693.66/x
  3. Step 3: Cross multiply
    28,342.71x = 42,482.93 × 11,693.66
  4. Step 4: Simplify right side
    28,342.71x = 496,780,668.34
  5. Step 5: Solve for x
    x = 496,780,668.34/28,342.71
  6. Step 6: Final answer
    x = 17,527.63

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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.