Home / 14,207.49-19,606.80-7,834.35

Finding the Fourth Proportional to 14,207.49, 19,606.80 and 7,834.35

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Solution

The fourth proportional to 14,207.49, 19,606.80 and 7,834.35 is: 10,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.49 : 19,606.80 = 7,834.35 : x
  2. Step 2: Convert to fraction form
    14,207.49/19,606.80 = 7,834.35/x
  3. Step 3: Cross multiply
    14,207.49x = 19,606.80 × 7,834.35
  4. Step 4: Simplify right side
    14,207.49x = 153,606,533.58
  5. Step 5: Solve for x
    x = 153,606,533.58/14,207.49
  6. Step 6: Final answer
    x = 10,811.66

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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.