Home / 16,765.40-25,109.70-8,547.80

Finding the Fourth Proportional to 16,765.40, 25,109.70 and 8,547.80

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Solution

The fourth proportional to 16,765.40, 25,109.70 and 8,547.80 is: 12,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.40 : 25,109.70 = 8,547.80 : x
  2. Step 2: Convert to fraction form
    16,765.40/25,109.70 = 8,547.80/x
  3. Step 3: Cross multiply
    16,765.40x = 25,109.70 × 8,547.80
  4. Step 4: Simplify right side
    16,765.40x = 214,632,693.66
  5. Step 5: Solve for x
    x = 214,632,693.66/16,765.40
  6. Step 6: Final answer
    x = 12,802.12

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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.