Home / 16,886.32-25,312.47-8,116.45

Finding the Fourth Proportional to 16,886.32, 25,312.47 and 8,116.45

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Solution

The fourth proportional to 16,886.32, 25,312.47 and 8,116.45 is: 12,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.32 : 25,312.47 = 8,116.45 : x
  2. Step 2: Convert to fraction form
    16,886.32/25,312.47 = 8,116.45/x
  3. Step 3: Cross multiply
    16,886.32x = 25,312.47 × 8,116.45
  4. Step 4: Simplify right side
    16,886.32x = 205,447,303.41
  5. Step 5: Solve for x
    x = 205,447,303.41/16,886.32
  6. Step 6: Final answer
    x = 12,166.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.