Home / 45,303.08-67,955.18-13,713.35

Finding the Fourth Proportional to 45,303.08, 67,955.18 and 13,713.35

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Solution

The fourth proportional to 45,303.08, 67,955.18 and 13,713.35 is: 20,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,303.08 : 67,955.18 = 13,713.35 : x
  2. Step 2: Convert to fraction form
    45,303.08/67,955.18 = 13,713.35/x
  3. Step 3: Cross multiply
    45,303.08x = 67,955.18 × 13,713.35
  4. Step 4: Simplify right side
    45,303.08x = 931,892,759.31
  5. Step 5: Solve for x
    x = 931,892,759.31/45,303.08
  6. Step 6: Final answer
    x = 20,570.19

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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.