Home / 19,487.61-26,886.52-11,926.06

Finding the Fourth Proportional to 19,487.61, 26,886.52 and 11,926.06

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Solution

The fourth proportional to 19,487.61, 26,886.52 and 11,926.06 is: 16,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.61 : 26,886.52 = 11,926.06 : x
  2. Step 2: Convert to fraction form
    19,487.61/26,886.52 = 11,926.06/x
  3. Step 3: Cross multiply
    19,487.61x = 26,886.52 × 11,926.06
  4. Step 4: Simplify right side
    19,487.61x = 320,650,250.71
  5. Step 5: Solve for x
    x = 320,650,250.71/19,487.61
  6. Step 6: Final answer
    x = 16,454.06

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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.