Home / 19,425.06-26,783.65-13,295.72

Finding the Fourth Proportional to 19,425.06, 26,783.65 and 13,295.72

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Solution

The fourth proportional to 19,425.06, 26,783.65 and 13,295.72 is: 18,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.06 : 26,783.65 = 13,295.72 : x
  2. Step 2: Convert to fraction form
    19,425.06/26,783.65 = 13,295.72/x
  3. Step 3: Cross multiply
    19,425.06x = 26,783.65 × 13,295.72
  4. Step 4: Simplify right side
    19,425.06x = 356,107,910.98
  5. Step 5: Solve for x
    x = 356,107,910.98/19,425.06
  6. Step 6: Final answer
    x = 18,332.40

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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.