Home / 12,512.84-18,774.73-9,735.35

Finding the Fourth Proportional to 12,512.84, 18,774.73 and 9,735.35

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Solution

The fourth proportional to 12,512.84, 18,774.73 and 9,735.35 is: 14,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.84 : 18,774.73 = 9,735.35 : x
  2. Step 2: Convert to fraction form
    12,512.84/18,774.73 = 9,735.35/x
  3. Step 3: Cross multiply
    12,512.84x = 18,774.73 × 9,735.35
  4. Step 4: Simplify right side
    12,512.84x = 182,778,567.71
  5. Step 5: Solve for x
    x = 182,778,567.71/12,512.84
  6. Step 6: Final answer
    x = 14,607.28

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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.