Home / 14,559.64-20,071.95-12,312.49

Finding the Fourth Proportional to 14,559.64, 20,071.95 and 12,312.49

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Solution

The fourth proportional to 14,559.64, 20,071.95 and 12,312.49 is: 16,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.64 : 20,071.95 = 12,312.49 : x
  2. Step 2: Convert to fraction form
    14,559.64/20,071.95 = 12,312.49/x
  3. Step 3: Cross multiply
    14,559.64x = 20,071.95 × 12,312.49
  4. Step 4: Simplify right side
    14,559.64x = 247,135,683.66
  5. Step 5: Solve for x
    x = 247,135,683.66/14,559.64
  6. Step 6: Final answer
    x = 16,974.02

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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.