Home / 19,565.69-29,315.01-13,142.24

Finding the Fourth Proportional to 19,565.69, 29,315.01 and 13,142.24

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Solution

The fourth proportional to 19,565.69, 29,315.01 and 13,142.24 is: 19,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.69 : 29,315.01 = 13,142.24 : x
  2. Step 2: Convert to fraction form
    19,565.69/29,315.01 = 13,142.24/x
  3. Step 3: Cross multiply
    19,565.69x = 29,315.01 × 13,142.24
  4. Step 4: Simplify right side
    19,565.69x = 385,264,970.31
  5. Step 5: Solve for x
    x = 385,264,970.31/19,565.69
  6. Step 6: Final answer
    x = 19,690.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.