Home / 21,543.42-32,315.16-6,753.51

Finding the Fourth Proportional to 21,543.42, 32,315.16 and 6,753.51

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Solution

The fourth proportional to 21,543.42, 32,315.16 and 6,753.51 is: 10,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.42 : 32,315.16 = 6,753.51 : x
  2. Step 2: Convert to fraction form
    21,543.42/32,315.16 = 6,753.51/x
  3. Step 3: Cross multiply
    21,543.42x = 32,315.16 × 6,753.51
  4. Step 4: Simplify right side
    21,543.42x = 218,240,756.21
  5. Step 5: Solve for x
    x = 218,240,756.21/21,543.42
  6. Step 6: Final answer
    x = 10,130.27

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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.