Home / 15,510.79-23,254.83-4,974.81

Finding the Fourth Proportional to 15,510.79, 23,254.83 and 4,974.81

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Solution

The fourth proportional to 15,510.79, 23,254.83 and 4,974.81 is: 7,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.79 : 23,254.83 = 4,974.81 : x
  2. Step 2: Convert to fraction form
    15,510.79/23,254.83 = 4,974.81/x
  3. Step 3: Cross multiply
    15,510.79x = 23,254.83 × 4,974.81
  4. Step 4: Simplify right side
    15,510.79x = 115,688,360.83
  5. Step 5: Solve for x
    x = 115,688,360.83/15,510.79
  6. Step 6: Final answer
    x = 7,458.57

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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.