Home / 19,200.51-26,484.34-12,740.01

Finding the Fourth Proportional to 19,200.51, 26,484.34 and 12,740.01

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Solution

The fourth proportional to 19,200.51, 26,484.34 and 12,740.01 is: 17,573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.51 : 26,484.34 = 12,740.01 : x
  2. Step 2: Convert to fraction form
    19,200.51/26,484.34 = 12,740.01/x
  3. Step 3: Cross multiply
    19,200.51x = 26,484.34 × 12,740.01
  4. Step 4: Simplify right side
    19,200.51x = 337,410,649.16
  5. Step 5: Solve for x
    x = 337,410,649.16/19,200.51
  6. Step 6: Final answer
    x = 17,573.00

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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.