Home / 14,403.56-19,875.48-10,628.78

Finding the Fourth Proportional to 14,403.56, 19,875.48 and 10,628.78

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Solution

The fourth proportional to 14,403.56, 19,875.48 and 10,628.78 is: 14,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.56 : 19,875.48 = 10,628.78 : x
  2. Step 2: Convert to fraction form
    14,403.56/19,875.48 = 10,628.78/x
  3. Step 3: Cross multiply
    14,403.56x = 19,875.48 × 10,628.78
  4. Step 4: Simplify right side
    14,403.56x = 211,252,104.31
  5. Step 5: Solve for x
    x = 211,252,104.31/14,403.56
  6. Step 6: Final answer
    x = 14,666.66

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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.