Home / 14,185.48-19,577.28-7,898.80

Finding the Fourth Proportional to 14,185.48, 19,577.28 and 7,898.80

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Solution

The fourth proportional to 14,185.48, 19,577.28 and 7,898.80 is: 10,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.48 : 19,577.28 = 7,898.80 : x
  2. Step 2: Convert to fraction form
    14,185.48/19,577.28 = 7,898.80/x
  3. Step 3: Cross multiply
    14,185.48x = 19,577.28 × 7,898.80
  4. Step 4: Simplify right side
    14,185.48x = 154,637,019.26
  5. Step 5: Solve for x
    x = 154,637,019.26/14,185.48
  6. Step 6: Final answer
    x = 10,901.08

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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.