Home / 16,971.48-25,457.40-5,284.80

Finding the Fourth Proportional to 16,971.48, 25,457.40 and 5,284.80

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Solution

The fourth proportional to 16,971.48, 25,457.40 and 5,284.80 is: 7,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.48 : 25,457.40 = 5,284.80 : x
  2. Step 2: Convert to fraction form
    16,971.48/25,457.40 = 5,284.80/x
  3. Step 3: Cross multiply
    16,971.48x = 25,457.40 × 5,284.80
  4. Step 4: Simplify right side
    16,971.48x = 134,537,267.52
  5. Step 5: Solve for x
    x = 134,537,267.52/16,971.48
  6. Step 6: Final answer
    x = 7,927.26

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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.