Home / 19,430.48-29,143.80-6,950.00

Finding the Fourth Proportional to 19,430.48, 29,143.80 and 6,950.00

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Solution

The fourth proportional to 19,430.48, 29,143.80 and 6,950.00 is: 10,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.48 : 29,143.80 = 6,950.00 : x
  2. Step 2: Convert to fraction form
    19,430.48/29,143.80 = 6,950.00/x
  3. Step 3: Cross multiply
    19,430.48x = 29,143.80 × 6,950.00
  4. Step 4: Simplify right side
    19,430.48x = 202,549,482.86
  5. Step 5: Solve for x
    x = 202,549,482.86/19,430.48
  6. Step 6: Final answer
    x = 10,424.32

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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.