Home / 19,484.43-26,870.58-12,767.61

Finding the Fourth Proportional to 19,484.43, 26,870.58 and 12,767.61

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Solution

The fourth proportional to 19,484.43, 26,870.58 and 12,767.61 is: 17,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.43 : 26,870.58 = 12,767.61 : x
  2. Step 2: Convert to fraction form
    19,484.43/26,870.58 = 12,767.61/x
  3. Step 3: Cross multiply
    19,484.43x = 26,870.58 × 12,767.61
  4. Step 4: Simplify right side
    19,484.43x = 343,073,085.91
  5. Step 5: Solve for x
    x = 343,073,085.91/19,484.43
  6. Step 6: Final answer
    x = 17,607.55

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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.