Home / 23,307.36-32,190.36-15,740.55

Finding the Fourth Proportional to 23,307.36, 32,190.36 and 15,740.55

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Solution

The fourth proportional to 23,307.36, 32,190.36 and 15,740.55 is: 21,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,307.36 : 32,190.36 = 15,740.55 : x
  2. Step 2: Convert to fraction form
    23,307.36/32,190.36 = 15,740.55/x
  3. Step 3: Cross multiply
    23,307.36x = 32,190.36 × 15,740.55
  4. Step 4: Simplify right side
    23,307.36x = 506,693,971.10
  5. Step 5: Solve for x
    x = 506,693,971.10/23,307.36
  6. Step 6: Final answer
    x = 21,739.66

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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.