Home / 19,459.71-26,854.97-11,905.92

Finding the Fourth Proportional to 19,459.71, 26,854.97 and 11,905.92

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Solution

The fourth proportional to 19,459.71, 26,854.97 and 11,905.92 is: 16,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.71 : 26,854.97 = 11,905.92 : x
  2. Step 2: Convert to fraction form
    19,459.71/26,854.97 = 11,905.92/x
  3. Step 3: Cross multiply
    19,459.71x = 26,854.97 × 11,905.92
  4. Step 4: Simplify right side
    19,459.71x = 319,733,064.89
  5. Step 5: Solve for x
    x = 319,733,064.89/19,459.71
  6. Step 6: Final answer
    x = 16,430.52

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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.