Home / 15,809.40-23,712.04-4,123.52

Finding the Fourth Proportional to 15,809.40, 23,712.04 and 4,123.52

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Solution

The fourth proportional to 15,809.40, 23,712.04 and 4,123.52 is: 6,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.40 : 23,712.04 = 4,123.52 : x
  2. Step 2: Convert to fraction form
    15,809.40/23,712.04 = 4,123.52/x
  3. Step 3: Cross multiply
    15,809.40x = 23,712.04 × 4,123.52
  4. Step 4: Simplify right side
    15,809.40x = 97,777,071.18
  5. Step 5: Solve for x
    x = 97,777,071.18/15,809.40
  6. Step 6: Final answer
    x = 6,184.74

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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.