Home / 14,310.50-19,720.93-9,525.07

Finding the Fourth Proportional to 14,310.50, 19,720.93 and 9,525.07

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Solution

The fourth proportional to 14,310.50, 19,720.93 and 9,525.07 is: 13,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.50 : 19,720.93 = 9,525.07 : x
  2. Step 2: Convert to fraction form
    14,310.50/19,720.93 = 9,525.07/x
  3. Step 3: Cross multiply
    14,310.50x = 19,720.93 × 9,525.07
  4. Step 4: Simplify right side
    14,310.50x = 187,843,215.34
  5. Step 5: Solve for x
    x = 187,843,215.34/14,310.50
  6. Step 6: Final answer
    x = 13,126.25

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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.