Home / 19,143.02-26,411.06-11,586.49

Finding the Fourth Proportional to 19,143.02, 26,411.06 and 11,586.49

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Solution

The fourth proportional to 19,143.02, 26,411.06 and 11,586.49 is: 15,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.02 : 26,411.06 = 11,586.49 : x
  2. Step 2: Convert to fraction form
    19,143.02/26,411.06 = 11,586.49/x
  3. Step 3: Cross multiply
    19,143.02x = 26,411.06 × 11,586.49
  4. Step 4: Simplify right side
    19,143.02x = 306,011,445.52
  5. Step 5: Solve for x
    x = 306,011,445.52/19,143.02
  6. Step 6: Final answer
    x = 15,985.53

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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.