Home / 14,215.86-19,607.31-10,437.84

Finding the Fourth Proportional to 14,215.86, 19,607.31 and 10,437.84

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Solution

The fourth proportional to 14,215.86, 19,607.31 and 10,437.84 is: 14,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.86 : 19,607.31 = 10,437.84 : x
  2. Step 2: Convert to fraction form
    14,215.86/19,607.31 = 10,437.84/x
  3. Step 3: Cross multiply
    14,215.86x = 19,607.31 × 10,437.84
  4. Step 4: Simplify right side
    14,215.86x = 204,657,964.61
  5. Step 5: Solve for x
    x = 204,657,964.61/14,215.86
  6. Step 6: Final answer
    x = 14,396.45

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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.