Home / 19,332.48-28,998.72-4,740.48

Finding the Fourth Proportional to 19,332.48, 28,998.72 and 4,740.48

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Solution

The fourth proportional to 19,332.48, 28,998.72 and 4,740.48 is: 7,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.48 : 28,998.72 = 4,740.48 : x
  2. Step 2: Convert to fraction form
    19,332.48/28,998.72 = 4,740.48/x
  3. Step 3: Cross multiply
    19,332.48x = 28,998.72 × 4,740.48
  4. Step 4: Simplify right side
    19,332.48x = 137,467,852.19
  5. Step 5: Solve for x
    x = 137,467,852.19/19,332.48
  6. Step 6: Final answer
    x = 7,110.72

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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.