Home / 14,258.70-19,636.47-13,953.42

Finding the Fourth Proportional to 14,258.70, 19,636.47 and 13,953.42

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Solution

The fourth proportional to 14,258.70, 19,636.47 and 13,953.42 is: 19,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.70 : 19,636.47 = 13,953.42 : x
  2. Step 2: Convert to fraction form
    14,258.70/19,636.47 = 13,953.42/x
  3. Step 3: Cross multiply
    14,258.70x = 19,636.47 × 13,953.42
  4. Step 4: Simplify right side
    14,258.70x = 273,995,913.23
  5. Step 5: Solve for x
    x = 273,995,913.23/14,258.70
  6. Step 6: Final answer
    x = 19,216.05

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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.