Home / 19,191.28-26,483.52-10,807.60

Finding the Fourth Proportional to 19,191.28, 26,483.52 and 10,807.60

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Solution

The fourth proportional to 19,191.28, 26,483.52 and 10,807.60 is: 14,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.28 : 26,483.52 = 10,807.60 : x
  2. Step 2: Convert to fraction form
    19,191.28/26,483.52 = 10,807.60/x
  3. Step 3: Cross multiply
    19,191.28x = 26,483.52 × 10,807.60
  4. Step 4: Simplify right side
    19,191.28x = 286,223,290.75
  5. Step 5: Solve for x
    x = 286,223,290.75/19,191.28
  6. Step 6: Final answer
    x = 14,914.24

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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.