Home / 21,402.04-32,106.51-6,607.49

Finding the Fourth Proportional to 21,402.04, 32,106.51 and 6,607.49

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Solution

The fourth proportional to 21,402.04, 32,106.51 and 6,607.49 is: 9,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.04 : 32,106.51 = 6,607.49 : x
  2. Step 2: Convert to fraction form
    21,402.04/32,106.51 = 6,607.49/x
  3. Step 3: Cross multiply
    21,402.04x = 32,106.51 × 6,607.49
  4. Step 4: Simplify right side
    21,402.04x = 212,143,463.83
  5. Step 5: Solve for x
    x = 212,143,463.83/21,402.04
  6. Step 6: Final answer
    x = 9,912.30

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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.