Home / 14,222.79-19,616.33-9,187.53

Finding the Fourth Proportional to 14,222.79, 19,616.33 and 9,187.53

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Solution

The fourth proportional to 14,222.79, 19,616.33 and 9,187.53 is: 12,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.79 : 19,616.33 = 9,187.53 : x
  2. Step 2: Convert to fraction form
    14,222.79/19,616.33 = 9,187.53/x
  3. Step 3: Cross multiply
    14,222.79x = 19,616.33 × 9,187.53
  4. Step 4: Simplify right side
    14,222.79x = 180,225,518.09
  5. Step 5: Solve for x
    x = 180,225,518.09/14,222.79
  6. Step 6: Final answer
    x = 12,671.60

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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.