Home / 23,898.60-32,980.10-13,289.32

Finding the Fourth Proportional to 23,898.60, 32,980.10 and 13,289.32

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Solution

The fourth proportional to 23,898.60, 32,980.10 and 13,289.32 is: 18,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,898.60 : 32,980.10 = 13,289.32 : x
  2. Step 2: Convert to fraction form
    23,898.60/32,980.10 = 13,289.32/x
  3. Step 3: Cross multiply
    23,898.60x = 32,980.10 × 13,289.32
  4. Step 4: Simplify right side
    23,898.60x = 438,283,102.53
  5. Step 5: Solve for x
    x = 438,283,102.53/23,898.60
  6. Step 6: Final answer
    x = 18,339.28

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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.