Home / 21,497.04-29,670.12-12,065.04

Finding the Fourth Proportional to 21,497.04, 29,670.12 and 12,065.04

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Solution

The fourth proportional to 21,497.04, 29,670.12 and 12,065.04 is: 16,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.04 : 29,670.12 = 12,065.04 : x
  2. Step 2: Convert to fraction form
    21,497.04/29,670.12 = 12,065.04/x
  3. Step 3: Cross multiply
    21,497.04x = 29,670.12 × 12,065.04
  4. Step 4: Simplify right side
    21,497.04x = 357,971,184.60
  5. Step 5: Solve for x
    x = 357,971,184.60/21,497.04
  6. Step 6: Final answer
    x = 16,652.12

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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.