Home / 19,787.60-27,307.54-10,835.48

Finding the Fourth Proportional to 19,787.60, 27,307.54 and 10,835.48

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Solution

The fourth proportional to 19,787.60, 27,307.54 and 10,835.48 is: 14,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.60 : 27,307.54 = 10,835.48 : x
  2. Step 2: Convert to fraction form
    19,787.60/27,307.54 = 10,835.48/x
  3. Step 3: Cross multiply
    19,787.60x = 27,307.54 × 10,835.48
  4. Step 4: Simplify right side
    19,787.60x = 295,890,303.52
  5. Step 5: Solve for x
    x = 295,890,303.52/19,787.60
  6. Step 6: Final answer
    x = 14,953.32

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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.