Home / 16,970.72-25,457.90-7,110.99

Finding the Fourth Proportional to 16,970.72, 25,457.90 and 7,110.99

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Solution

The fourth proportional to 16,970.72, 25,457.90 and 7,110.99 is: 10,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.72 : 25,457.90 = 7,110.99 : x
  2. Step 2: Convert to fraction form
    16,970.72/25,457.90 = 7,110.99/x
  3. Step 3: Cross multiply
    16,970.72x = 25,457.90 × 7,110.99
  4. Step 4: Simplify right side
    16,970.72x = 181,030,836.77
  5. Step 5: Solve for x
    x = 181,030,836.77/16,970.72
  6. Step 6: Final answer
    x = 10,667.25

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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.