Home / 19,342.86-26,693.91-11,384.70

Finding the Fourth Proportional to 19,342.86, 26,693.91 and 11,384.70

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Solution

The fourth proportional to 19,342.86, 26,693.91 and 11,384.70 is: 15,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.86 : 26,693.91 = 11,384.70 : x
  2. Step 2: Convert to fraction form
    19,342.86/26,693.91 = 11,384.70/x
  3. Step 3: Cross multiply
    19,342.86x = 26,693.91 × 11,384.70
  4. Step 4: Simplify right side
    19,342.86x = 303,902,157.18
  5. Step 5: Solve for x
    x = 303,902,157.18/19,342.86
  6. Step 6: Final answer
    x = 15,711.34

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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.