Home / 14,153.51-21,222.03-10,407.53

Finding the Fourth Proportional to 14,153.51, 21,222.03 and 10,407.53

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Solution

The fourth proportional to 14,153.51, 21,222.03 and 10,407.53 is: 15,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.51 : 21,222.03 = 10,407.53 : x
  2. Step 2: Convert to fraction form
    14,153.51/21,222.03 = 10,407.53/x
  3. Step 3: Cross multiply
    14,153.51x = 21,222.03 × 10,407.53
  4. Step 4: Simplify right side
    14,153.51x = 220,868,913.89
  5. Step 5: Solve for x
    x = 220,868,913.89/14,153.51
  6. Step 6: Final answer
    x = 15,605.24

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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.