Home / 25,189.27-34,762.04-13,860.07

Finding the Fourth Proportional to 25,189.27, 34,762.04 and 13,860.07

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Solution

The fourth proportional to 25,189.27, 34,762.04 and 13,860.07 is: 19,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.27 : 34,762.04 = 13,860.07 : x
  2. Step 2: Convert to fraction form
    25,189.27/34,762.04 = 13,860.07/x
  3. Step 3: Cross multiply
    25,189.27x = 34,762.04 × 13,860.07
  4. Step 4: Simplify right side
    25,189.27x = 481,804,307.74
  5. Step 5: Solve for x
    x = 481,804,307.74/25,189.27
  6. Step 6: Final answer
    x = 19,127.36

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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.