Home / 19,510.21-26,919.40-11,853.33

Finding the Fourth Proportional to 19,510.21, 26,919.40 and 11,853.33

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Solution

The fourth proportional to 19,510.21, 26,919.40 and 11,853.33 is: 16,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.21 : 26,919.40 = 11,853.33 : x
  2. Step 2: Convert to fraction form
    19,510.21/26,919.40 = 11,853.33/x
  3. Step 3: Cross multiply
    19,510.21x = 26,919.40 × 11,853.33
  4. Step 4: Simplify right side
    19,510.21x = 319,084,397.01
  5. Step 5: Solve for x
    x = 319,084,397.01/19,510.21
  6. Step 6: Final answer
    x = 16,354.74

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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.