Home / 13,801.07-19,045.47-7,513.44

Finding the Fourth Proportional to 13,801.07, 19,045.47 and 7,513.44

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Solution

The fourth proportional to 13,801.07, 19,045.47 and 7,513.44 is: 10,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.07 : 19,045.47 = 7,513.44 : x
  2. Step 2: Convert to fraction form
    13,801.07/19,045.47 = 7,513.44/x
  3. Step 3: Cross multiply
    13,801.07x = 19,045.47 × 7,513.44
  4. Step 4: Simplify right side
    13,801.07x = 143,096,996.12
  5. Step 5: Solve for x
    x = 143,096,996.12/13,801.07
  6. Step 6: Final answer
    x = 10,368.55

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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.