Home / 25,051.71-34,577.03-15,618.45

Finding the Fourth Proportional to 25,051.71, 34,577.03 and 15,618.45

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Solution

The fourth proportional to 25,051.71, 34,577.03 and 15,618.45 is: 21,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,051.71 : 34,577.03 = 15,618.45 : x
  2. Step 2: Convert to fraction form
    25,051.71/34,577.03 = 15,618.45/x
  3. Step 3: Cross multiply
    25,051.71x = 34,577.03 × 15,618.45
  4. Step 4: Simplify right side
    25,051.71x = 540,039,614.20
  5. Step 5: Solve for x
    x = 540,039,614.20/25,051.71
  6. Step 6: Final answer
    x = 21,557.00

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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.