Home / 14,434.40-19,903.86-12,529.66

Finding the Fourth Proportional to 14,434.40, 19,903.86 and 12,529.66

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Solution

The fourth proportional to 14,434.40, 19,903.86 and 12,529.66 is: 17,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.40 : 19,903.86 = 12,529.66 : x
  2. Step 2: Convert to fraction form
    14,434.40/19,903.86 = 12,529.66/x
  3. Step 3: Cross multiply
    14,434.40x = 19,903.86 × 12,529.66
  4. Step 4: Simplify right side
    14,434.40x = 249,388,694.89
  5. Step 5: Solve for x
    x = 249,388,694.89/14,434.40
  6. Step 6: Final answer
    x = 17,277.38

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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.