Home / 16,270.02-22,430.90-12,923.90

Finding the Fourth Proportional to 16,270.02, 22,430.90 and 12,923.90

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Solution

The fourth proportional to 16,270.02, 22,430.90 and 12,923.90 is: 17,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,270.02 : 22,430.90 = 12,923.90 : x
  2. Step 2: Convert to fraction form
    16,270.02/22,430.90 = 12,923.90/x
  3. Step 3: Cross multiply
    16,270.02x = 22,430.90 × 12,923.90
  4. Step 4: Simplify right side
    16,270.02x = 289,894,708.51
  5. Step 5: Solve for x
    x = 289,894,708.51/16,270.02
  6. Step 6: Final answer
    x = 17,817.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.