Home / 25,815.32-35,619.70-16,875.98

Finding the Fourth Proportional to 25,815.32, 35,619.70 and 16,875.98

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Solution

The fourth proportional to 25,815.32, 35,619.70 and 16,875.98 is: 23,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.32 : 35,619.70 = 16,875.98 : x
  2. Step 2: Convert to fraction form
    25,815.32/35,619.70 = 16,875.98/x
  3. Step 3: Cross multiply
    25,815.32x = 35,619.70 × 16,875.98
  4. Step 4: Simplify right side
    25,815.32x = 601,117,344.81
  5. Step 5: Solve for x
    x = 601,117,344.81/25,815.32
  6. Step 6: Final answer
    x = 23,285.30

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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.