Home / 14,156.04-19,534.86-7,868.28

Finding the Fourth Proportional to 14,156.04, 19,534.86 and 7,868.28

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Solution

The fourth proportional to 14,156.04, 19,534.86 and 7,868.28 is: 10,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.04 : 19,534.86 = 7,868.28 : x
  2. Step 2: Convert to fraction form
    14,156.04/19,534.86 = 7,868.28/x
  3. Step 3: Cross multiply
    14,156.04x = 19,534.86 × 7,868.28
  4. Step 4: Simplify right side
    14,156.04x = 153,705,748.24
  5. Step 5: Solve for x
    x = 153,705,748.24/14,156.04
  6. Step 6: Final answer
    x = 10,857.96

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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.