Home / 14,157.54-19,540.71-10,386.18

Finding the Fourth Proportional to 14,157.54, 19,540.71 and 10,386.18

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Solution

The fourth proportional to 14,157.54, 19,540.71 and 10,386.18 is: 14,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.54 : 19,540.71 = 10,386.18 : x
  2. Step 2: Convert to fraction form
    14,157.54/19,540.71 = 10,386.18/x
  3. Step 3: Cross multiply
    14,157.54x = 19,540.71 × 10,386.18
  4. Step 4: Simplify right side
    14,157.54x = 202,953,331.39
  5. Step 5: Solve for x
    x = 202,953,331.39/14,157.54
  6. Step 6: Final answer
    x = 14,335.35

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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.