Home / 19,354.60-26,708.70-10,970.56

Finding the Fourth Proportional to 19,354.60, 26,708.70 and 10,970.56

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Solution

The fourth proportional to 19,354.60, 26,708.70 and 10,970.56 is: 15,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.60 : 26,708.70 = 10,970.56 : x
  2. Step 2: Convert to fraction form
    19,354.60/26,708.70 = 10,970.56/x
  3. Step 3: Cross multiply
    19,354.60x = 26,708.70 × 10,970.56
  4. Step 4: Simplify right side
    19,354.60x = 293,009,395.87
  5. Step 5: Solve for x
    x = 293,009,395.87/19,354.60
  6. Step 6: Final answer
    x = 15,139.01

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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.