Home / 19,293.17-28,920.57-10,955.93

Finding the Fourth Proportional to 19,293.17, 28,920.57 and 10,955.93

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Solution

The fourth proportional to 19,293.17, 28,920.57 and 10,955.93 is: 16,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.17 : 28,920.57 = 10,955.93 : x
  2. Step 2: Convert to fraction form
    19,293.17/28,920.57 = 10,955.93/x
  3. Step 3: Cross multiply
    19,293.17x = 28,920.57 × 10,955.93
  4. Step 4: Simplify right side
    19,293.17x = 316,851,595.88
  5. Step 5: Solve for x
    x = 316,851,595.88/19,293.17
  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.