Home / 13,880.58-19,157.49-13,037.10

Finding the Fourth Proportional to 13,880.58, 19,157.49 and 13,037.10

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Solution

The fourth proportional to 13,880.58, 19,157.49 and 13,037.10 is: 17,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.58 : 19,157.49 = 13,037.10 : x
  2. Step 2: Convert to fraction form
    13,880.58/19,157.49 = 13,037.10/x
  3. Step 3: Cross multiply
    13,880.58x = 19,157.49 × 13,037.10
  4. Step 4: Simplify right side
    13,880.58x = 249,758,112.88
  5. Step 5: Solve for x
    x = 249,758,112.88/13,880.58
  6. Step 6: Final answer
    x = 17,993.35

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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.