Home / 15,809.73-23,715.95-4,122.95

Finding the Fourth Proportional to 15,809.73, 23,715.95 and 4,122.95

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Solution

The fourth proportional to 15,809.73, 23,715.95 and 4,122.95 is: 6,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.73 : 23,715.95 = 4,122.95 : x
  2. Step 2: Convert to fraction form
    15,809.73/23,715.95 = 4,122.95/x
  3. Step 3: Cross multiply
    15,809.73x = 23,715.95 × 4,122.95
  4. Step 4: Simplify right side
    15,809.73x = 97,779,536.86
  5. Step 5: Solve for x
    x = 97,779,536.86/15,809.73
  6. Step 6: Final answer
    x = 6,184.77

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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.