Home / 23,088.47-31,862.23-12,478.07

Finding the Fourth Proportional to 23,088.47, 31,862.23 and 12,478.07

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Solution

The fourth proportional to 23,088.47, 31,862.23 and 12,478.07 is: 17,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,088.47 : 31,862.23 = 12,478.07 : x
  2. Step 2: Convert to fraction form
    23,088.47/31,862.23 = 12,478.07/x
  3. Step 3: Cross multiply
    23,088.47x = 31,862.23 × 12,478.07
  4. Step 4: Simplify right side
    23,088.47x = 397,579,184.76
  5. Step 5: Solve for x
    x = 397,579,184.76/23,088.47
  6. Step 6: Final answer
    x = 17,219.82

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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.