Home / 18,698.02-25,802.40-10,734.64

Finding the Fourth Proportional to 18,698.02, 25,802.40 and 10,734.64

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Solution

The fourth proportional to 18,698.02, 25,802.40 and 10,734.64 is: 14,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.02 : 25,802.40 = 10,734.64 : x
  2. Step 2: Convert to fraction form
    18,698.02/25,802.40 = 10,734.64/x
  3. Step 3: Cross multiply
    18,698.02x = 25,802.40 × 10,734.64
  4. Step 4: Simplify right side
    18,698.02x = 276,979,475.14
  5. Step 5: Solve for x
    x = 276,979,475.14/18,698.02
  6. Step 6: Final answer
    x = 14,813.31

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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.