Home / 19,458.06-26,847.18-11,901.64

Finding the Fourth Proportional to 19,458.06, 26,847.18 and 11,901.64

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Solution

The fourth proportional to 19,458.06, 26,847.18 and 11,901.64 is: 16,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.06 : 26,847.18 = 11,901.64 : x
  2. Step 2: Convert to fraction form
    19,458.06/26,847.18 = 11,901.64/x
  3. Step 3: Cross multiply
    19,458.06x = 26,847.18 × 11,901.64
  4. Step 4: Simplify right side
    19,458.06x = 319,525,344.59
  5. Step 5: Solve for x
    x = 319,525,344.59/19,458.06
  6. Step 6: Final answer
    x = 16,421.23

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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.