Home / 15,885.77-23,827.55-5,356.67

Finding the Fourth Proportional to 15,885.77, 23,827.55 and 5,356.67

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Solution

The fourth proportional to 15,885.77, 23,827.55 and 5,356.67 is: 8,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.77 : 23,827.55 = 5,356.67 : x
  2. Step 2: Convert to fraction form
    15,885.77/23,827.55 = 5,356.67/x
  3. Step 3: Cross multiply
    15,885.77x = 23,827.55 × 5,356.67
  4. Step 4: Simplify right side
    15,885.77x = 127,636,176.34
  5. Step 5: Solve for x
    x = 127,636,176.34/15,885.77
  6. Step 6: Final answer
    x = 8,034.63

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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.