Home / 16,331.36-22,535.60-9,258.40

Finding the Fourth Proportional to 16,331.36, 22,535.60 and 9,258.40

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Solution

The fourth proportional to 16,331.36, 22,535.60 and 9,258.40 is: 12,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.36 : 22,535.60 = 9,258.40 : x
  2. Step 2: Convert to fraction form
    16,331.36/22,535.60 = 9,258.40/x
  3. Step 3: Cross multiply
    16,331.36x = 22,535.60 × 9,258.40
  4. Step 4: Simplify right side
    16,331.36x = 208,643,599.04
  5. Step 5: Solve for x
    x = 208,643,599.04/16,331.36
  6. Step 6: Final answer
    x = 12,775.64

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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.