Home / 23,818.90-32,870.28-13,208.68

Finding the Fourth Proportional to 23,818.90, 32,870.28 and 13,208.68

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Solution

The fourth proportional to 23,818.90, 32,870.28 and 13,208.68 is: 18,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,818.90 : 32,870.28 = 13,208.68 : x
  2. Step 2: Convert to fraction form
    23,818.90/32,870.28 = 13,208.68/x
  3. Step 3: Cross multiply
    23,818.90x = 32,870.28 × 13,208.68
  4. Step 4: Simplify right side
    23,818.90x = 434,173,010.03
  5. Step 5: Solve for x
    x = 434,173,010.03/23,818.90
  6. Step 6: Final answer
    x = 18,228.09

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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.