Home / 15,855.48-23,783.08-4,763.12

Finding the Fourth Proportional to 15,855.48, 23,783.08 and 4,763.12

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Solution

The fourth proportional to 15,855.48, 23,783.08 and 4,763.12 is: 7,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.48 : 23,783.08 = 4,763.12 : x
  2. Step 2: Convert to fraction form
    15,855.48/23,783.08 = 4,763.12/x
  3. Step 3: Cross multiply
    15,855.48x = 23,783.08 × 4,763.12
  4. Step 4: Simplify right side
    15,855.48x = 113,281,664.01
  5. Step 5: Solve for x
    x = 113,281,664.01/15,855.48
  6. Step 6: Final answer
    x = 7,144.64

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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.