Home / 23,897.07-32,975.04-13,140.15

Finding the Fourth Proportional to 23,897.07, 32,975.04 and 13,140.15

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Solution

The fourth proportional to 23,897.07, 32,975.04 and 13,140.15 is: 18,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,897.07 : 32,975.04 = 13,140.15 : x
  2. Step 2: Convert to fraction form
    23,897.07/32,975.04 = 13,140.15/x
  3. Step 3: Cross multiply
    23,897.07x = 32,975.04 × 13,140.15
  4. Step 4: Simplify right side
    23,897.07x = 433,296,971.86
  5. Step 5: Solve for x
    x = 433,296,971.86/23,897.07
  6. Step 6: Final answer
    x = 18,131.80

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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.