Home / 21,050.36-29,060.02-13,095.16

Finding the Fourth Proportional to 21,050.36, 29,060.02 and 13,095.16

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Solution

The fourth proportional to 21,050.36, 29,060.02 and 13,095.16 is: 18,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.36 : 29,060.02 = 13,095.16 : x
  2. Step 2: Convert to fraction form
    21,050.36/29,060.02 = 13,095.16/x
  3. Step 3: Cross multiply
    21,050.36x = 29,060.02 × 13,095.16
  4. Step 4: Simplify right side
    21,050.36x = 380,545,611.50
  5. Step 5: Solve for x
    x = 380,545,611.50/21,050.36
  6. Step 6: Final answer
    x = 18,077.87

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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.