Home / 17,767.70-26,628.50-7,225.45

Finding the Fourth Proportional to 17,767.70, 26,628.50 and 7,225.45

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Solution

The fourth proportional to 17,767.70, 26,628.50 and 7,225.45 is: 10,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.70 : 26,628.50 = 7,225.45 : x
  2. Step 2: Convert to fraction form
    17,767.70/26,628.50 = 7,225.45/x
  3. Step 3: Cross multiply
    17,767.70x = 26,628.50 × 7,225.45
  4. Step 4: Simplify right side
    17,767.70x = 192,402,955.96
  5. Step 5: Solve for x
    x = 192,402,955.96/17,767.70
  6. Step 6: Final answer
    x = 10,828.80

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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.