Home / 14,445.51-19,934.58-8,072.25

Finding the Fourth Proportional to 14,445.51, 19,934.58 and 8,072.25

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Solution

The fourth proportional to 14,445.51, 19,934.58 and 8,072.25 is: 11,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.51 : 19,934.58 = 8,072.25 : x
  2. Step 2: Convert to fraction form
    14,445.51/19,934.58 = 8,072.25/x
  3. Step 3: Cross multiply
    14,445.51x = 19,934.58 × 8,072.25
  4. Step 4: Simplify right side
    14,445.51x = 160,916,913.41
  5. Step 5: Solve for x
    x = 160,916,913.41/14,445.51
  6. Step 6: Final answer
    x = 11,139.58

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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.