Home / 19,702.48-27,200.20-13,333.84

Finding the Fourth Proportional to 19,702.48, 27,200.20 and 13,333.84

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Solution

The fourth proportional to 19,702.48, 27,200.20 and 13,333.84 is: 18,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.48 : 27,200.20 = 13,333.84 : x
  2. Step 2: Convert to fraction form
    19,702.48/27,200.20 = 13,333.84/x
  3. Step 3: Cross multiply
    19,702.48x = 27,200.20 × 13,333.84
  4. Step 4: Simplify right side
    19,702.48x = 362,683,114.77
  5. Step 5: Solve for x
    x = 362,683,114.77/19,702.48
  6. Step 6: Final answer
    x = 18,407.99

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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.