Home / 17,438.89-24,075.54-13,342.99

Finding the Fourth Proportional to 17,438.89, 24,075.54 and 13,342.99

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Solution

The fourth proportional to 17,438.89, 24,075.54 and 13,342.99 is: 18,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.89 : 24,075.54 = 13,342.99 : x
  2. Step 2: Convert to fraction form
    17,438.89/24,075.54 = 13,342.99/x
  3. Step 3: Cross multiply
    17,438.89x = 24,075.54 × 13,342.99
  4. Step 4: Simplify right side
    17,438.89x = 321,239,689.46
  5. Step 5: Solve for x
    x = 321,239,689.46/17,438.89
  6. Step 6: Final answer
    x = 18,420.88

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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.