Home / 14,970.80-22,456.20-9,430.40

Finding the Fourth Proportional to 14,970.80, 22,456.20 and 9,430.40

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Solution

The fourth proportional to 14,970.80, 22,456.20 and 9,430.40 is: 14,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.80 : 22,456.20 = 9,430.40 : x
  2. Step 2: Convert to fraction form
    14,970.80/22,456.20 = 9,430.40/x
  3. Step 3: Cross multiply
    14,970.80x = 22,456.20 × 9,430.40
  4. Step 4: Simplify right side
    14,970.80x = 211,770,948.48
  5. Step 5: Solve for x
    x = 211,770,948.48/14,970.80
  6. Step 6: Final answer
    x = 14,145.60

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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.