Home / 22,642.02-31,246.11-12,570.30

Finding the Fourth Proportional to 22,642.02, 31,246.11 and 12,570.30

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Solution

The fourth proportional to 22,642.02, 31,246.11 and 12,570.30 is: 17,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.02 : 31,246.11 = 12,570.30 : x
  2. Step 2: Convert to fraction form
    22,642.02/31,246.11 = 12,570.30/x
  3. Step 3: Cross multiply
    22,642.02x = 31,246.11 × 12,570.30
  4. Step 4: Simplify right side
    22,642.02x = 392,772,976.53
  5. Step 5: Solve for x
    x = 392,772,976.53/22,642.02
  6. Step 6: Final answer
    x = 17,347.08

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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.