Home / 19,181.83-26,470.93-10,685.59

Finding the Fourth Proportional to 19,181.83, 26,470.93 and 10,685.59

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Solution

The fourth proportional to 19,181.83, 26,470.93 and 10,685.59 is: 14,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.83 : 26,470.93 = 10,685.59 : x
  2. Step 2: Convert to fraction form
    19,181.83/26,470.93 = 10,685.59/x
  3. Step 3: Cross multiply
    19,181.83x = 26,470.93 × 10,685.59
  4. Step 4: Simplify right side
    19,181.83x = 282,857,412.01
  5. Step 5: Solve for x
    x = 282,857,412.01/19,181.83
  6. Step 6: Final answer
    x = 14,746.11

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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.