Home / 15,655.47-23,483.61-3,969.60

Finding the Fourth Proportional to 15,655.47, 23,483.61 and 3,969.60

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Solution

The fourth proportional to 15,655.47, 23,483.61 and 3,969.60 is: 5,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.47 : 23,483.61 = 3,969.60 : x
  2. Step 2: Convert to fraction form
    15,655.47/23,483.61 = 3,969.60/x
  3. Step 3: Cross multiply
    15,655.47x = 23,483.61 × 3,969.60
  4. Step 4: Simplify right side
    15,655.47x = 93,220,538.26
  5. Step 5: Solve for x
    x = 93,220,538.26/15,655.47
  6. Step 6: Final answer
    x = 5,954.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.