Home / 22,582.22-31,161.02-12,510.40

Finding the Fourth Proportional to 22,582.22, 31,161.02 and 12,510.40

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Solution

The fourth proportional to 22,582.22, 31,161.02 and 12,510.40 is: 17,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.22 : 31,161.02 = 12,510.40 : x
  2. Step 2: Convert to fraction form
    22,582.22/31,161.02 = 12,510.40/x
  3. Step 3: Cross multiply
    22,582.22x = 31,161.02 × 12,510.40
  4. Step 4: Simplify right side
    22,582.22x = 389,836,824.61
  5. Step 5: Solve for x
    x = 389,836,824.61/22,582.22
  6. Step 6: Final answer
    x = 17,263.00

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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.