Home / 19,293.16-28,920.58-10,955.92

Finding the Fourth Proportional to 19,293.16, 28,920.58 and 10,955.92

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Solution

The fourth proportional to 19,293.16, 28,920.58 and 10,955.92 is: 16,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.16 : 28,920.58 = 10,955.92 : x
  2. Step 2: Convert to fraction form
    19,293.16/28,920.58 = 10,955.92/x
  3. Step 3: Cross multiply
    19,293.16x = 28,920.58 × 10,955.92
  4. Step 4: Simplify right side
    19,293.16x = 316,851,461.14
  5. Step 5: Solve for x
    x = 316,851,461.14/19,293.16
  6. Step 6: Final answer
    x = 16,423.00

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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.