Home / 25,905.31-35,749.28-14,574.81

Finding the Fourth Proportional to 25,905.31, 35,749.28 and 14,574.81

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Solution

The fourth proportional to 25,905.31, 35,749.28 and 14,574.81 is: 20,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.31 : 35,749.28 = 14,574.81 : x
  2. Step 2: Convert to fraction form
    25,905.31/35,749.28 = 14,574.81/x
  3. Step 3: Cross multiply
    25,905.31x = 35,749.28 × 14,574.81
  4. Step 4: Simplify right side
    25,905.31x = 521,038,963.64
  5. Step 5: Solve for x
    x = 521,038,963.64/25,905.31
  6. Step 6: Final answer
    x = 20,113.21

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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.