Home / 13,851.38-19,114.88-7,563.76

Finding the Fourth Proportional to 13,851.38, 19,114.88 and 7,563.76

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Solution

The fourth proportional to 13,851.38, 19,114.88 and 7,563.76 is: 10,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.38 : 19,114.88 = 7,563.76 : x
  2. Step 2: Convert to fraction form
    13,851.38/19,114.88 = 7,563.76/x
  3. Step 3: Cross multiply
    13,851.38x = 19,114.88 × 7,563.76
  4. Step 4: Simplify right side
    13,851.38x = 144,580,364.75
  5. Step 5: Solve for x
    x = 144,580,364.75/13,851.38
  6. Step 6: Final answer
    x = 10,437.98

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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.