Home / 25,973.32-35,862.38-15,915.50

Finding the Fourth Proportional to 25,973.32, 35,862.38 and 15,915.50

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Solution

The fourth proportional to 25,973.32, 35,862.38 and 15,915.50 is: 21,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.32 : 35,862.38 = 15,915.50 : x
  2. Step 2: Convert to fraction form
    25,973.32/35,862.38 = 15,915.50/x
  3. Step 3: Cross multiply
    25,973.32x = 35,862.38 × 15,915.50
  4. Step 4: Simplify right side
    25,973.32x = 570,767,708.89
  5. Step 5: Solve for x
    x = 570,767,708.89/25,973.32
  6. Step 6: Final answer
    x = 21,975.15

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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.