Home / 14,381.74-21,573.54-4,521.40

Finding the Fourth Proportional to 14,381.74, 21,573.54 and 4,521.40

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Solution

The fourth proportional to 14,381.74, 21,573.54 and 4,521.40 is: 6,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.74 : 21,573.54 = 4,521.40 : x
  2. Step 2: Convert to fraction form
    14,381.74/21,573.54 = 4,521.40/x
  3. Step 3: Cross multiply
    14,381.74x = 21,573.54 × 4,521.40
  4. Step 4: Simplify right side
    14,381.74x = 97,542,603.76
  5. Step 5: Solve for x
    x = 97,542,603.76/14,381.74
  6. Step 6: Final answer
    x = 6,782.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.