Home / 15,068.10-22,585.73-12,870.16

Finding the Fourth Proportional to 15,068.10, 22,585.73 and 12,870.16

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Solution

The fourth proportional to 15,068.10, 22,585.73 and 12,870.16 is: 19,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.10 : 22,585.73 = 12,870.16 : x
  2. Step 2: Convert to fraction form
    15,068.10/22,585.73 = 12,870.16/x
  3. Step 3: Cross multiply
    15,068.10x = 22,585.73 × 12,870.16
  4. Step 4: Simplify right side
    15,068.10x = 290,681,958.82
  5. Step 5: Solve for x
    x = 290,681,958.82/15,068.10
  6. Step 6: Final answer
    x = 19,291.22

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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.