Home / 21,041.48-29,034.36-12,088.98

Finding the Fourth Proportional to 21,041.48, 29,034.36 and 12,088.98

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Solution

The fourth proportional to 21,041.48, 29,034.36 and 12,088.98 is: 16,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.48 : 29,034.36 = 12,088.98 : x
  2. Step 2: Convert to fraction form
    21,041.48/29,034.36 = 12,088.98/x
  3. Step 3: Cross multiply
    21,041.48x = 29,034.36 × 12,088.98
  4. Step 4: Simplify right side
    21,041.48x = 350,995,797.35
  5. Step 5: Solve for x
    x = 350,995,797.35/21,041.48
  6. Step 6: Final answer
    x = 16,681.14

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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.