Home / 13,459.06-20,188.95-3,598.32

Finding the Fourth Proportional to 13,459.06, 20,188.95 and 3,598.32

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Solution

The fourth proportional to 13,459.06, 20,188.95 and 3,598.32 is: 5,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.06 : 20,188.95 = 3,598.32 : x
  2. Step 2: Convert to fraction form
    13,459.06/20,188.95 = 3,598.32/x
  3. Step 3: Cross multiply
    13,459.06x = 20,188.95 × 3,598.32
  4. Step 4: Simplify right side
    13,459.06x = 72,646,364.78
  5. Step 5: Solve for x
    x = 72,646,364.78/13,459.06
  6. Step 6: Final answer
    x = 5,397.58

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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.