Home / 21,510.46-32,260.26-7,656.22

Finding the Fourth Proportional to 21,510.46, 32,260.26 and 7,656.22

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Solution

The fourth proportional to 21,510.46, 32,260.26 and 7,656.22 is: 11,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.46 : 32,260.26 = 7,656.22 : x
  2. Step 2: Convert to fraction form
    21,510.46/32,260.26 = 7,656.22/x
  3. Step 3: Cross multiply
    21,510.46x = 32,260.26 × 7,656.22
  4. Step 4: Simplify right side
    21,510.46x = 246,991,647.82
  5. Step 5: Solve for x
    x = 246,991,647.82/21,510.46
  6. Step 6: Final answer
    x = 11,482.40

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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.