Home / 23,830.55-32,886.74-13,220.63

Finding the Fourth Proportional to 23,830.55, 32,886.74 and 13,220.63

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Solution

The fourth proportional to 23,830.55, 32,886.74 and 13,220.63 is: 18,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.55 : 32,886.74 = 13,220.63 : x
  2. Step 2: Convert to fraction form
    23,830.55/32,886.74 = 13,220.63/x
  3. Step 3: Cross multiply
    23,830.55x = 32,886.74 × 13,220.63
  4. Step 4: Simplify right side
    23,830.55x = 434,783,421.45
  5. Step 5: Solve for x
    x = 434,783,421.45/23,830.55
  6. Step 6: Final answer
    x = 18,244.79

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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.