Home / 23,510.45-32,445.36-12,900.47

Finding the Fourth Proportional to 23,510.45, 32,445.36 and 12,900.47

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Solution

The fourth proportional to 23,510.45, 32,445.36 and 12,900.47 is: 17,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,510.45 : 32,445.36 = 12,900.47 : x
  2. Step 2: Convert to fraction form
    23,510.45/32,445.36 = 12,900.47/x
  3. Step 3: Cross multiply
    23,510.45x = 32,445.36 × 12,900.47
  4. Step 4: Simplify right side
    23,510.45x = 418,560,231.09
  5. Step 5: Solve for x
    x = 418,560,231.09/23,510.45
  6. Step 6: Final answer
    x = 17,803.16

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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.