Home / 21,574.60-32,360.76-7,530.28

Finding the Fourth Proportional to 21,574.60, 32,360.76 and 7,530.28

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Solution

The fourth proportional to 21,574.60, 32,360.76 and 7,530.28 is: 11,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574.60 : 32,360.76 = 7,530.28 : x
  2. Step 2: Convert to fraction form
    21,574.60/32,360.76 = 7,530.28/x
  3. Step 3: Cross multiply
    21,574.60x = 32,360.76 × 7,530.28
  4. Step 4: Simplify right side
    21,574.60x = 243,685,583.81
  5. Step 5: Solve for x
    x = 243,685,583.81/21,574.60
  6. Step 6: Final answer
    x = 11,295.02

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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.