Home / 13,368.32-18,451.68-8,899.52

Finding the Fourth Proportional to 13,368.32, 18,451.68 and 8,899.52

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Solution

The fourth proportional to 13,368.32, 18,451.68 and 8,899.52 is: 12,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.32 : 18,451.68 = 8,899.52 : x
  2. Step 2: Convert to fraction form
    13,368.32/18,451.68 = 8,899.52/x
  3. Step 3: Cross multiply
    13,368.32x = 18,451.68 × 8,899.52
  4. Step 4: Simplify right side
    13,368.32x = 164,211,095.19
  5. Step 5: Solve for x
    x = 164,211,095.19/13,368.32
  6. Step 6: Final answer
    x = 12,283.60

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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.