Home / 23,289.40-32,140.02-13,216.60

Finding the Fourth Proportional to 23,289.40, 32,140.02 and 13,216.60

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Solution

The fourth proportional to 23,289.40, 32,140.02 and 13,216.60 is: 18,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.40 : 32,140.02 = 13,216.60 : x
  2. Step 2: Convert to fraction form
    23,289.40/32,140.02 = 13,216.60/x
  3. Step 3: Cross multiply
    23,289.40x = 32,140.02 × 13,216.60
  4. Step 4: Simplify right side
    23,289.40x = 424,781,788.33
  5. Step 5: Solve for x
    x = 424,781,788.33/23,289.40
  6. Step 6: Final answer
    x = 18,239.28

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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.