Home / 14,563.64-20,095.22-8,188.40

Finding the Fourth Proportional to 14,563.64, 20,095.22 and 8,188.40

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Solution

The fourth proportional to 14,563.64, 20,095.22 and 8,188.40 is: 11,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.64 : 20,095.22 = 8,188.40 : x
  2. Step 2: Convert to fraction form
    14,563.64/20,095.22 = 8,188.40/x
  3. Step 3: Cross multiply
    14,563.64x = 20,095.22 × 8,188.40
  4. Step 4: Simplify right side
    14,563.64x = 164,547,699.45
  5. Step 5: Solve for x
    x = 164,547,699.45/14,563.64
  6. Step 6: Final answer
    x = 11,298.53

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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.