Home / 17,639.63-26,459.48-4,312.60

Finding the Fourth Proportional to 17,639.63, 26,459.48 and 4,312.60

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Solution

The fourth proportional to 17,639.63, 26,459.48 and 4,312.60 is: 6,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.63 : 26,459.48 = 4,312.60 : x
  2. Step 2: Convert to fraction form
    17,639.63/26,459.48 = 4,312.60/x
  3. Step 3: Cross multiply
    17,639.63x = 26,459.48 × 4,312.60
  4. Step 4: Simplify right side
    17,639.63x = 114,109,065.74
  5. Step 5: Solve for x
    x = 114,109,065.74/17,639.63
  6. Step 6: Final answer
    x = 6,468.90

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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.