Home / 13,916.64-19,199.52-12,148.32

Finding the Fourth Proportional to 13,916.64, 19,199.52 and 12,148.32

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Solution

The fourth proportional to 13,916.64, 19,199.52 and 12,148.32 is: 16,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.64 : 19,199.52 = 12,148.32 : x
  2. Step 2: Convert to fraction form
    13,916.64/19,199.52 = 12,148.32/x
  3. Step 3: Cross multiply
    13,916.64x = 19,199.52 × 12,148.32
  4. Step 4: Simplify right side
    13,916.64x = 233,241,912.81
  5. Step 5: Solve for x
    x = 233,241,912.81/13,916.64
  6. Step 6: Final answer
    x = 16,759.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.