Home / 14,417.84-19,885.43-9,110.72

Finding the Fourth Proportional to 14,417.84, 19,885.43 and 9,110.72

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Solution

The fourth proportional to 14,417.84, 19,885.43 and 9,110.72 is: 12,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.84 : 19,885.43 = 9,110.72 : x
  2. Step 2: Convert to fraction form
    14,417.84/19,885.43 = 9,110.72/x
  3. Step 3: Cross multiply
    14,417.84x = 19,885.43 × 9,110.72
  4. Step 4: Simplify right side
    14,417.84x = 181,170,539.26
  5. Step 5: Solve for x
    x = 181,170,539.26/14,417.84
  6. Step 6: Final answer
    x = 12,565.72

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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.