Home / 19,334.07-26,681.10-11,272.50

Finding the Fourth Proportional to 19,334.07, 26,681.10 and 11,272.50

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Solution

The fourth proportional to 19,334.07, 26,681.10 and 11,272.50 is: 15,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.07 : 26,681.10 = 11,272.50 : x
  2. Step 2: Convert to fraction form
    19,334.07/26,681.10 = 11,272.50/x
  3. Step 3: Cross multiply
    19,334.07x = 26,681.10 × 11,272.50
  4. Step 4: Simplify right side
    19,334.07x = 300,762,699.75
  5. Step 5: Solve for x
    x = 300,762,699.75/19,334.07
  6. Step 6: Final answer
    x = 15,556.10

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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.