Home / 22,328.64-30,813.51-12,897.18

Finding the Fourth Proportional to 22,328.64, 30,813.51 and 12,897.18

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Solution

The fourth proportional to 22,328.64, 30,813.51 and 12,897.18 is: 17,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.64 : 30,813.51 = 12,897.18 : x
  2. Step 2: Convert to fraction form
    22,328.64/30,813.51 = 12,897.18/x
  3. Step 3: Cross multiply
    22,328.64x = 30,813.51 × 12,897.18
  4. Step 4: Simplify right side
    22,328.64x = 397,407,384.90
  5. Step 5: Solve for x
    x = 397,407,384.90/22,328.64
  6. Step 6: Final answer
    x = 17,798.10

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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.