Home / 18,787.02-25,925.70-10,828.77

Finding the Fourth Proportional to 18,787.02, 25,925.70 and 10,828.77

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Solution

The fourth proportional to 18,787.02, 25,925.70 and 10,828.77 is: 14,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.02 : 25,925.70 = 10,828.77 : x
  2. Step 2: Convert to fraction form
    18,787.02/25,925.70 = 10,828.77/x
  3. Step 3: Cross multiply
    18,787.02x = 25,925.70 × 10,828.77
  4. Step 4: Simplify right side
    18,787.02x = 280,743,442.39
  5. Step 5: Solve for x
    x = 280,743,442.39/18,787.02
  6. Step 6: Final answer
    x = 14,943.48

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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.