Home / 19,397.48-26,767.77-11,856.48

Finding the Fourth Proportional to 19,397.48, 26,767.77 and 11,856.48

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Solution

The fourth proportional to 19,397.48, 26,767.77 and 11,856.48 is: 16,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.48 : 26,767.77 = 11,856.48 : x
  2. Step 2: Convert to fraction form
    19,397.48/26,767.77 = 11,856.48/x
  3. Step 3: Cross multiply
    19,397.48x = 26,767.77 × 11,856.48
  4. Step 4: Simplify right side
    19,397.48x = 317,371,384.81
  5. Step 5: Solve for x
    x = 317,371,384.81/19,397.48
  6. Step 6: Final answer
    x = 16,361.48

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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.