Home / 23,505.40-32,438.13-13,435.48

Finding the Fourth Proportional to 23,505.40, 32,438.13 and 13,435.48

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Solution

The fourth proportional to 23,505.40, 32,438.13 and 13,435.48 is: 18,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,505.40 : 32,438.13 = 13,435.48 : x
  2. Step 2: Convert to fraction form
    23,505.40/32,438.13 = 13,435.48/x
  3. Step 3: Cross multiply
    23,505.40x = 32,438.13 × 13,435.48
  4. Step 4: Simplify right side
    23,505.40x = 435,821,765.76
  5. Step 5: Solve for x
    x = 435,821,765.76/23,505.40
  6. Step 6: Final answer
    x = 18,541.35

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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.