Home / 14,060.36-19,402.70-7,686.80

Finding the Fourth Proportional to 14,060.36, 19,402.70 and 7,686.80

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Solution

The fourth proportional to 14,060.36, 19,402.70 and 7,686.80 is: 10,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.36 : 19,402.70 = 7,686.80 : x
  2. Step 2: Convert to fraction form
    14,060.36/19,402.70 = 7,686.80/x
  3. Step 3: Cross multiply
    14,060.36x = 19,402.70 × 7,686.80
  4. Step 4: Simplify right side
    14,060.36x = 149,144,538.91
  5. Step 5: Solve for x
    x = 149,144,538.91/14,060.36
  6. Step 6: Final answer
    x = 10,607.45

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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.