Home / 21,056.04-29,057.10-11,624.40

Finding the Fourth Proportional to 21,056.04, 29,057.10 and 11,624.40

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Solution

The fourth proportional to 21,056.04, 29,057.10 and 11,624.40 is: 16,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.04 : 29,057.10 = 11,624.40 : x
  2. Step 2: Convert to fraction form
    21,056.04/29,057.10 = 11,624.40/x
  3. Step 3: Cross multiply
    21,056.04x = 29,057.10 × 11,624.40
  4. Step 4: Simplify right side
    21,056.04x = 337,771,353.24
  5. Step 5: Solve for x
    x = 337,771,353.24/21,056.04
  6. Step 6: Final answer
    x = 16,041.54

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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.