Home / 19,536.98-26,972.55-12,834.32

Finding the Fourth Proportional to 19,536.98, 26,972.55 and 12,834.32

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Solution

The fourth proportional to 19,536.98, 26,972.55 and 12,834.32 is: 17,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.98 : 26,972.55 = 12,834.32 : x
  2. Step 2: Convert to fraction form
    19,536.98/26,972.55 = 12,834.32/x
  3. Step 3: Cross multiply
    19,536.98x = 26,972.55 × 12,834.32
  4. Step 4: Simplify right side
    19,536.98x = 346,174,203.05
  5. Step 5: Solve for x
    x = 346,174,203.05/19,536.98
  6. Step 6: Final answer
    x = 17,718.93

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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.