Home / 19,263.40-28,897.80-6,114.40

Finding the Fourth Proportional to 19,263.40, 28,897.80 and 6,114.40

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Solution

The fourth proportional to 19,263.40, 28,897.80 and 6,114.40 is: 9,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.40 : 28,897.80 = 6,114.40 : x
  2. Step 2: Convert to fraction form
    19,263.40/28,897.80 = 6,114.40/x
  3. Step 3: Cross multiply
    19,263.40x = 28,897.80 × 6,114.40
  4. Step 4: Simplify right side
    19,263.40x = 176,692,708.32
  5. Step 5: Solve for x
    x = 176,692,708.32/19,263.40
  6. Step 6: Final answer
    x = 9,172.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.