Home / 15,263.24-21,065.02-9,298.40

Finding the Fourth Proportional to 15,263.24, 21,065.02 and 9,298.40

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Solution

The fourth proportional to 15,263.24, 21,065.02 and 9,298.40 is: 12,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.24 : 21,065.02 = 9,298.40 : x
  2. Step 2: Convert to fraction form
    15,263.24/21,065.02 = 9,298.40/x
  3. Step 3: Cross multiply
    15,263.24x = 21,065.02 × 9,298.40
  4. Step 4: Simplify right side
    15,263.24x = 195,870,981.97
  5. Step 5: Solve for x
    x = 195,870,981.97/15,263.24
  6. Step 6: Final answer
    x = 12,832.86

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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.