Home / 19,116.56-26,378.16-10,618.04

Finding the Fourth Proportional to 19,116.56, 26,378.16 and 10,618.04

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Solution

The fourth proportional to 19,116.56, 26,378.16 and 10,618.04 is: 14,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.56 : 26,378.16 = 10,618.04 : x
  2. Step 2: Convert to fraction form
    19,116.56/26,378.16 = 10,618.04/x
  3. Step 3: Cross multiply
    19,116.56x = 26,378.16 × 10,618.04
  4. Step 4: Simplify right side
    19,116.56x = 280,084,358.01
  5. Step 5: Solve for x
    x = 280,084,358.01/19,116.56
  6. Step 6: Final answer
    x = 14,651.40

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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.