Home / 18,925.02-26,118.15-10,428.51

Finding the Fourth Proportional to 18,925.02, 26,118.15 and 10,428.51

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Solution

The fourth proportional to 18,925.02, 26,118.15 and 10,428.51 is: 14,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.02 : 26,118.15 = 10,428.51 : x
  2. Step 2: Convert to fraction form
    18,925.02/26,118.15 = 10,428.51/x
  3. Step 3: Cross multiply
    18,925.02x = 26,118.15 × 10,428.51
  4. Step 4: Simplify right side
    18,925.02x = 272,373,388.46
  5. Step 5: Solve for x
    x = 272,373,388.46/18,925.02
  6. Step 6: Final answer
    x = 14,392.24

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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.