Home / 14,603.90-20,153.36-8,316.28

Finding the Fourth Proportional to 14,603.90, 20,153.36 and 8,316.28

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Solution

The fourth proportional to 14,603.90, 20,153.36 and 8,316.28 is: 11,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.90 : 20,153.36 = 8,316.28 : x
  2. Step 2: Convert to fraction form
    14,603.90/20,153.36 = 8,316.28/x
  3. Step 3: Cross multiply
    14,603.90x = 20,153.36 × 8,316.28
  4. Step 4: Simplify right side
    14,603.90x = 167,600,883.93
  5. Step 5: Solve for x
    x = 167,600,883.93/14,603.90
  6. Step 6: Final answer
    x = 11,476.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.