Home / 19,618.98-27,085.35-12,924.06

Finding the Fourth Proportional to 19,618.98, 27,085.35 and 12,924.06

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Solution

The fourth proportional to 19,618.98, 27,085.35 and 12,924.06 is: 17,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.98 : 27,085.35 = 12,924.06 : x
  2. Step 2: Convert to fraction form
    19,618.98/27,085.35 = 12,924.06/x
  3. Step 3: Cross multiply
    19,618.98x = 27,085.35 × 12,924.06
  4. Step 4: Simplify right side
    19,618.98x = 350,052,688.52
  5. Step 5: Solve for x
    x = 350,052,688.52/19,618.98
  6. Step 6: Final answer
    x = 17,842.55

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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.