Home / 13,068.60-19,574.10-11,340.60

Finding the Fourth Proportional to 13,068.60, 19,574.10 and 11,340.60

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Solution

The fourth proportional to 13,068.60, 19,574.10 and 11,340.60 is: 16,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.60 : 19,574.10 = 11,340.60 : x
  2. Step 2: Convert to fraction form
    13,068.60/19,574.10 = 11,340.60/x
  3. Step 3: Cross multiply
    13,068.60x = 19,574.10 × 11,340.60
  4. Step 4: Simplify right side
    13,068.60x = 221,982,038.46
  5. Step 5: Solve for x
    x = 221,982,038.46/13,068.60
  6. Step 6: Final answer
    x = 16,985.91

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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.