Home / 14,123.27-19,490.13-7,835.64

Finding the Fourth Proportional to 14,123.27, 19,490.13 and 7,835.64

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Solution

The fourth proportional to 14,123.27, 19,490.13 and 7,835.64 is: 10,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.27 : 19,490.13 = 7,835.64 : x
  2. Step 2: Convert to fraction form
    14,123.27/19,490.13 = 7,835.64/x
  3. Step 3: Cross multiply
    14,123.27x = 19,490.13 × 7,835.64
  4. Step 4: Simplify right side
    14,123.27x = 152,717,603.06
  5. Step 5: Solve for x
    x = 152,717,603.06/14,123.27
  6. Step 6: Final answer
    x = 10,813.19

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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.