Home / 14,045.47-19,390.52-9,575.79

Finding the Fourth Proportional to 14,045.47, 19,390.52 and 9,575.79

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Solution

The fourth proportional to 14,045.47, 19,390.52 and 9,575.79 is: 13,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.47 : 19,390.52 = 9,575.79 : x
  2. Step 2: Convert to fraction form
    14,045.47/19,390.52 = 9,575.79/x
  3. Step 3: Cross multiply
    14,045.47x = 19,390.52 × 9,575.79
  4. Step 4: Simplify right side
    14,045.47x = 185,679,498.74
  5. Step 5: Solve for x
    x = 185,679,498.74/14,045.47
  6. Step 6: Final answer
    x = 13,219.89

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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.