Home / 25,362.56-34,994.40-15,288.32

Finding the Fourth Proportional to 25,362.56, 34,994.40 and 15,288.32

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Solution

The fourth proportional to 25,362.56, 34,994.40 and 15,288.32 is: 21,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,362.56 : 34,994.40 = 15,288.32 : x
  2. Step 2: Convert to fraction form
    25,362.56/34,994.40 = 15,288.32/x
  3. Step 3: Cross multiply
    25,362.56x = 34,994.40 × 15,288.32
  4. Step 4: Simplify right side
    25,362.56x = 535,005,585.41
  5. Step 5: Solve for x
    x = 535,005,585.41/25,362.56
  6. Step 6: Final answer
    x = 21,094.31

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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.