Home / 12,848.90-17,719.95-10,702.58

Finding the Fourth Proportional to 12,848.90, 17,719.95 and 10,702.58

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Solution

The fourth proportional to 12,848.90, 17,719.95 and 10,702.58 is: 14,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.90 : 17,719.95 = 10,702.58 : x
  2. Step 2: Convert to fraction form
    12,848.90/17,719.95 = 10,702.58/x
  3. Step 3: Cross multiply
    12,848.90x = 17,719.95 × 10,702.58
  4. Step 4: Simplify right side
    12,848.90x = 189,649,093.87
  5. Step 5: Solve for x
    x = 189,649,093.87/12,848.90
  6. Step 6: Final answer
    x = 14,759.95

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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.