Home / 14,381.14-21,570.28-4,520.16

Finding the Fourth Proportional to 14,381.14, 21,570.28 and 4,520.16

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Solution

The fourth proportional to 14,381.14, 21,570.28 and 4,520.16 is: 6,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.14 : 21,570.28 = 4,520.16 : x
  2. Step 2: Convert to fraction form
    14,381.14/21,570.28 = 4,520.16/x
  3. Step 3: Cross multiply
    14,381.14x = 21,570.28 × 4,520.16
  4. Step 4: Simplify right side
    14,381.14x = 97,501,116.84
  5. Step 5: Solve for x
    x = 97,501,116.84/14,381.14
  6. Step 6: Final answer
    x = 6,779.79

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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.