Home / 14,792.40-22,188.60-12,459.60

Finding the Fourth Proportional to 14,792.40, 22,188.60 and 12,459.60

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Solution

The fourth proportional to 14,792.40, 22,188.60 and 12,459.60 is: 18,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.40 : 22,188.60 = 12,459.60 : x
  2. Step 2: Convert to fraction form
    14,792.40/22,188.60 = 12,459.60/x
  3. Step 3: Cross multiply
    14,792.40x = 22,188.60 × 12,459.60
  4. Step 4: Simplify right side
    14,792.40x = 276,461,080.56
  5. Step 5: Solve for x
    x = 276,461,080.56/14,792.40
  6. Step 6: Final answer
    x = 18,689.40

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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.