Home / 15,916.60-23,826.30-12,417.40

Finding the Fourth Proportional to 15,916.60, 23,826.30 and 12,417.40

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Solution

The fourth proportional to 15,916.60, 23,826.30 and 12,417.40 is: 18,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.60 : 23,826.30 = 12,417.40 : x
  2. Step 2: Convert to fraction form
    15,916.60/23,826.30 = 12,417.40/x
  3. Step 3: Cross multiply
    15,916.60x = 23,826.30 × 12,417.40
  4. Step 4: Simplify right side
    15,916.60x = 295,860,697.62
  5. Step 5: Solve for x
    x = 295,860,697.62/15,916.60
  6. Step 6: Final answer
    x = 18,588.18

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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.