Home / 14,631.79-20,193.98-9,603.51

Finding the Fourth Proportional to 14,631.79, 20,193.98 and 9,603.51

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Solution

The fourth proportional to 14,631.79, 20,193.98 and 9,603.51 is: 13,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.79 : 20,193.98 = 9,603.51 : x
  2. Step 2: Convert to fraction form
    14,631.79/20,193.98 = 9,603.51/x
  3. Step 3: Cross multiply
    14,631.79x = 20,193.98 × 9,603.51
  4. Step 4: Simplify right side
    14,631.79x = 193,933,159.75
  5. Step 5: Solve for x
    x = 193,933,159.75/14,631.79
  6. Step 6: Final answer
    x = 13,254.23

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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.