Home / 14,989.98-20,536.06-14,429.10

Finding the Fourth Proportional to 14,989.98, 20,536.06 and 14,429.10

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Solution

The fourth proportional to 14,989.98, 20,536.06 and 14,429.10 is: 19,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.98 : 20,536.06 = 14,429.10 : x
  2. Step 2: Convert to fraction form
    14,989.98/20,536.06 = 14,429.10/x
  3. Step 3: Cross multiply
    14,989.98x = 20,536.06 × 14,429.10
  4. Step 4: Simplify right side
    14,989.98x = 296,316,863.35
  5. Step 5: Solve for x
    x = 296,316,863.35/14,989.98
  6. Step 6: Final answer
    x = 19,767.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.