Home / 19,479.35-26,877.29-11,927.32

Finding the Fourth Proportional to 19,479.35, 26,877.29 and 11,927.32

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Solution

The fourth proportional to 19,479.35, 26,877.29 and 11,927.32 is: 16,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.35 : 26,877.29 = 11,927.32 : x
  2. Step 2: Convert to fraction form
    19,479.35/26,877.29 = 11,927.32/x
  3. Step 3: Cross multiply
    19,479.35x = 26,877.29 × 11,927.32
  4. Step 4: Simplify right side
    19,479.35x = 320,573,911.73
  5. Step 5: Solve for x
    x = 320,573,911.73/19,479.35
  6. Step 6: Final answer
    x = 16,457.11

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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.