Home / 25,664.56-35,417.28-15,054.40

Finding the Fourth Proportional to 25,664.56, 35,417.28 and 15,054.40

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Solution

The fourth proportional to 25,664.56, 35,417.28 and 15,054.40 is: 20,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.56 : 35,417.28 = 15,054.40 : x
  2. Step 2: Convert to fraction form
    25,664.56/35,417.28 = 15,054.40/x
  3. Step 3: Cross multiply
    25,664.56x = 35,417.28 × 15,054.40
  4. Step 4: Simplify right side
    25,664.56x = 533,185,900.03
  5. Step 5: Solve for x
    x = 533,185,900.03/25,664.56
  6. Step 6: Final answer
    x = 20,775.18

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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.