Home / 65,686.12-98,529.18-16,438.12

Finding the Fourth Proportional to 65,686.12, 98,529.18 and 16,438.12

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Solution

The fourth proportional to 65,686.12, 98,529.18 and 16,438.12 is: 24,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,686.12 : 98,529.18 = 16,438.12 : x
  2. Step 2: Convert to fraction form
    65,686.12/98,529.18 = 16,438.12/x
  3. Step 3: Cross multiply
    65,686.12x = 98,529.18 × 16,438.12
  4. Step 4: Simplify right side
    65,686.12x = 1,619,634,484.34
  5. Step 5: Solve for x
    x = 1,619,634,484.34/65,686.12
  6. Step 6: Final answer
    x = 24,657.18

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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.