Home / 17,783.70-26,675.56-5,312.48

Finding the Fourth Proportional to 17,783.70, 26,675.56 and 5,312.48

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Solution

The fourth proportional to 17,783.70, 26,675.56 and 5,312.48 is: 7,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.70 : 26,675.56 = 5,312.48 : x
  2. Step 2: Convert to fraction form
    17,783.70/26,675.56 = 5,312.48/x
  3. Step 3: Cross multiply
    17,783.70x = 26,675.56 × 5,312.48
  4. Step 4: Simplify right side
    17,783.70x = 141,713,378.99
  5. Step 5: Solve for x
    x = 141,713,378.99/17,783.70
  6. Step 6: Final answer
    x = 7,968.72

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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.