Home / 10,653.48-14,710.86-10,178.28

Finding the Fourth Proportional to 10,653.48, 14,710.86 and 10,178.28

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Solution

The fourth proportional to 10,653.48, 14,710.86 and 10,178.28 is: 14,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.48 : 14,710.86 = 10,178.28 : x
  2. Step 2: Convert to fraction form
    10,653.48/14,710.86 = 10,178.28/x
  3. Step 3: Cross multiply
    10,653.48x = 14,710.86 × 10,178.28
  4. Step 4: Simplify right side
    10,653.48x = 149,731,252.12
  5. Step 5: Solve for x
    x = 149,731,252.12/10,653.48
  6. Step 6: Final answer
    x = 14,054.68

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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.