Home / 19,118.64-26,369.10-16,756.68

Finding the Fourth Proportional to 19,118.64, 26,369.10 and 16,756.68

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Solution

The fourth proportional to 19,118.64, 26,369.10 and 16,756.68 is: 23,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.64 : 26,369.10 = 16,756.68 : x
  2. Step 2: Convert to fraction form
    19,118.64/26,369.10 = 16,756.68/x
  3. Step 3: Cross multiply
    19,118.64x = 26,369.10 × 16,756.68
  4. Step 4: Simplify right side
    19,118.64x = 441,858,570.59
  5. Step 5: Solve for x
    x = 441,858,570.59/19,118.64
  6. Step 6: Final answer
    x = 23,111.40

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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.