Home / 14,813.40-20,436.66-9,507.40

Finding the Fourth Proportional to 14,813.40, 20,436.66 and 9,507.40

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Solution

The fourth proportional to 14,813.40, 20,436.66 and 9,507.40 is: 13,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.40 : 20,436.66 = 9,507.40 : x
  2. Step 2: Convert to fraction form
    14,813.40/20,436.66 = 9,507.40/x
  3. Step 3: Cross multiply
    14,813.40x = 20,436.66 × 9,507.40
  4. Step 4: Simplify right side
    14,813.40x = 194,299,501.28
  5. Step 5: Solve for x
    x = 194,299,501.28/14,813.40
  6. Step 6: Final answer
    x = 13,116.47

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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.