Home / 19,587.04-29,376.80-5,543.68

Finding the Fourth Proportional to 19,587.04, 29,376.80 and 5,543.68

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Solution

The fourth proportional to 19,587.04, 29,376.80 and 5,543.68 is: 8,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.04 : 29,376.80 = 5,543.68 : x
  2. Step 2: Convert to fraction form
    19,587.04/29,376.80 = 5,543.68/x
  3. Step 3: Cross multiply
    19,587.04x = 29,376.80 × 5,543.68
  4. Step 4: Simplify right side
    19,587.04x = 162,855,578.62
  5. Step 5: Solve for x
    x = 162,855,578.62/19,587.04
  6. Step 6: Final answer
    x = 8,314.46

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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.