Home / 19,263.92-28,888.56-7,570.76

Finding the Fourth Proportional to 19,263.92, 28,888.56 and 7,570.76

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Solution

The fourth proportional to 19,263.92, 28,888.56 and 7,570.76 is: 11,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.92 : 28,888.56 = 7,570.76 : x
  2. Step 2: Convert to fraction form
    19,263.92/28,888.56 = 7,570.76/x
  3. Step 3: Cross multiply
    19,263.92x = 28,888.56 × 7,570.76
  4. Step 4: Simplify right side
    19,263.92x = 218,708,354.51
  5. Step 5: Solve for x
    x = 218,708,354.51/19,263.92
  6. Step 6: Final answer
    x = 11,353.26

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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.