Home / 19,555.11-26,985.93-10,602.59

Finding the Fourth Proportional to 19,555.11, 26,985.93 and 10,602.59

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Solution

The fourth proportional to 19,555.11, 26,985.93 and 10,602.59 is: 14,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.11 : 26,985.93 = 10,602.59 : x
  2. Step 2: Convert to fraction form
    19,555.11/26,985.93 = 10,602.59/x
  3. Step 3: Cross multiply
    19,555.11x = 26,985.93 × 10,602.59
  4. Step 4: Simplify right side
    19,555.11x = 286,120,576.87
  5. Step 5: Solve for x
    x = 286,120,576.87/19,555.11
  6. Step 6: Final answer
    x = 14,631.50

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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.