Home / 13,787.02-19,025.58-7,499.26

Finding the Fourth Proportional to 13,787.02, 19,025.58 and 7,499.26

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Solution

The fourth proportional to 13,787.02, 19,025.58 and 7,499.26 is: 10,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.02 : 19,025.58 = 7,499.26 : x
  2. Step 2: Convert to fraction form
    13,787.02/19,025.58 = 7,499.26/x
  3. Step 3: Cross multiply
    13,787.02x = 19,025.58 × 7,499.26
  4. Step 4: Simplify right side
    13,787.02x = 142,677,771.07
  5. Step 5: Solve for x
    x = 142,677,771.07/13,787.02
  6. Step 6: Final answer
    x = 10,348.70

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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.