Home / 23,900.10-32,980.79-13,289.51

Finding the Fourth Proportional to 23,900.10, 32,980.79 and 13,289.51

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Solution

The fourth proportional to 23,900.10, 32,980.79 and 13,289.51 is: 18,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.10 : 32,980.79 = 13,289.51 : x
  2. Step 2: Convert to fraction form
    23,900.10/32,980.79 = 13,289.51/x
  3. Step 3: Cross multiply
    23,900.10x = 32,980.79 × 13,289.51
  4. Step 4: Simplify right side
    23,900.10x = 438,298,307.16
  5. Step 5: Solve for x
    x = 438,298,307.16/23,900.10
  6. Step 6: Final answer
    x = 18,338.76

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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.