Home / 14,155.51-21,225.03-10,409.53

Finding the Fourth Proportional to 14,155.51, 21,225.03 and 10,409.53

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Solution

The fourth proportional to 14,155.51, 21,225.03 and 10,409.53 is: 15,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.51 : 21,225.03 = 10,409.53 : x
  2. Step 2: Convert to fraction form
    14,155.51/21,225.03 = 10,409.53/x
  3. Step 3: Cross multiply
    14,155.51x = 21,225.03 × 10,409.53
  4. Step 4: Simplify right side
    14,155.51x = 220,942,586.54
  5. Step 5: Solve for x
    x = 220,942,586.54/14,155.51
  6. Step 6: Final answer
    x = 15,608.24

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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.