Home / 19,364.16-26,730.72-13,085.04

Finding the Fourth Proportional to 19,364.16, 26,730.72 and 13,085.04

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Solution

The fourth proportional to 19,364.16, 26,730.72 and 13,085.04 is: 18,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.16 : 26,730.72 = 13,085.04 : x
  2. Step 2: Convert to fraction form
    19,364.16/26,730.72 = 13,085.04/x
  3. Step 3: Cross multiply
    19,364.16x = 26,730.72 × 13,085.04
  4. Step 4: Simplify right side
    19,364.16x = 349,772,540.43
  5. Step 5: Solve for x
    x = 349,772,540.43/19,364.16
  6. Step 6: Final answer
    x = 18,062.88

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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.