Home / 14,403.29-19,875.89-8,030.58

Finding the Fourth Proportional to 14,403.29, 19,875.89 and 8,030.58

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Solution

The fourth proportional to 14,403.29, 19,875.89 and 8,030.58 is: 11,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.29 : 19,875.89 = 8,030.58 : x
  2. Step 2: Convert to fraction form
    14,403.29/19,875.89 = 8,030.58/x
  3. Step 3: Cross multiply
    14,403.29x = 19,875.89 × 8,030.58
  4. Step 4: Simplify right side
    14,403.29x = 159,614,924.72
  5. Step 5: Solve for x
    x = 159,614,924.72/14,403.29
  6. Step 6: Final answer
    x = 11,081.84

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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.