Home / 26,416.74-36,490.04-19,690.69

Finding the Fourth Proportional to 26,416.74, 36,490.04 and 19,690.69

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Solution

The fourth proportional to 26,416.74, 36,490.04 and 19,690.69 is: 27,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416.74 : 36,490.04 = 19,690.69 : x
  2. Step 2: Convert to fraction form
    26,416.74/36,490.04 = 19,690.69/x
  3. Step 3: Cross multiply
    26,416.74x = 36,490.04 × 19,690.69
  4. Step 4: Simplify right side
    26,416.74x = 718,514,206.18
  5. Step 5: Solve for x
    x = 718,514,206.18/26,416.74
  6. Step 6: Final answer
    x = 27,199.20

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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.