Home / 14,865.48-20,503.62-12,623.82

Finding the Fourth Proportional to 14,865.48, 20,503.62 and 12,623.82

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Solution

The fourth proportional to 14,865.48, 20,503.62 and 12,623.82 is: 17,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.48 : 20,503.62 = 12,623.82 : x
  2. Step 2: Convert to fraction form
    14,865.48/20,503.62 = 12,623.82/x
  3. Step 3: Cross multiply
    14,865.48x = 20,503.62 × 12,623.82
  4. Step 4: Simplify right side
    14,865.48x = 258,834,008.23
  5. Step 5: Solve for x
    x = 258,834,008.23/14,865.48
  6. Step 6: Final answer
    x = 17,411.75

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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.