Home / 22,602.95-31,192.09-12,531.50

Finding the Fourth Proportional to 22,602.95, 31,192.09 and 12,531.50

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Solution

The fourth proportional to 22,602.95, 31,192.09 and 12,531.50 is: 17,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.95 : 31,192.09 = 12,531.50 : x
  2. Step 2: Convert to fraction form
    22,602.95/31,192.09 = 12,531.50/x
  3. Step 3: Cross multiply
    22,602.95x = 31,192.09 × 12,531.50
  4. Step 4: Simplify right side
    22,602.95x = 390,883,722.49
  5. Step 5: Solve for x
    x = 390,883,722.49/22,602.95
  6. Step 6: Final answer
    x = 17,293.48

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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.