Home / 17,928.04-24,742.80-10,854.40

Finding the Fourth Proportional to 17,928.04, 24,742.80 and 10,854.40

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Solution

The fourth proportional to 17,928.04, 24,742.80 and 10,854.40 is: 14,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.04 : 24,742.80 = 10,854.40 : x
  2. Step 2: Convert to fraction form
    17,928.04/24,742.80 = 10,854.40/x
  3. Step 3: Cross multiply
    17,928.04x = 24,742.80 × 10,854.40
  4. Step 4: Simplify right side
    17,928.04x = 268,568,248.32
  5. Step 5: Solve for x
    x = 268,568,248.32/17,928.04
  6. Step 6: Final answer
    x = 14,980.35

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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.