Home / 22,250.02-30,708.49-12,689.93

Finding the Fourth Proportional to 22,250.02, 30,708.49 and 12,689.93

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Solution

The fourth proportional to 22,250.02, 30,708.49 and 12,689.93 is: 17,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.02 : 30,708.49 = 12,689.93 : x
  2. Step 2: Convert to fraction form
    22,250.02/30,708.49 = 12,689.93/x
  3. Step 3: Cross multiply
    22,250.02x = 30,708.49 × 12,689.93
  4. Step 4: Simplify right side
    22,250.02x = 389,688,588.51
  5. Step 5: Solve for x
    x = 389,688,588.51/22,250.02
  6. Step 6: Final answer
    x = 17,514.08

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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.