Home / 15,920.84-23,885.58-4,827.89

Finding the Fourth Proportional to 15,920.84, 23,885.58 and 4,827.89

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Solution

The fourth proportional to 15,920.84, 23,885.58 and 4,827.89 is: 7,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.84 : 23,885.58 = 4,827.89 : x
  2. Step 2: Convert to fraction form
    15,920.84/23,885.58 = 4,827.89/x
  3. Step 3: Cross multiply
    15,920.84x = 23,885.58 × 4,827.89
  4. Step 4: Simplify right side
    15,920.84x = 115,316,833.40
  5. Step 5: Solve for x
    x = 115,316,833.40/15,920.84
  6. Step 6: Final answer
    x = 7,243.14

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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.